bibliography.bib

@article{ferguson2006gpl,
  author  = {Doug Ferguson},
  title   = {Syntar Errors: Why Version 3 of the GNU General Public License Needs Debugging},
  journal = {North Carolina Journal of Law \& Technology},
  volume  = {7},
  number  = {2},
  pages   = {397--420},
  year    = {2006},
  url     = {https://heinonline.org/HOL/Page?handle=hein.journals/ncjl7&id=403}
}

@misc{wikipedia:publiclicenses,
  title        = {Category:Public copyright licenses --- {W}ikipedia{,} The Free Encyclopedia},
  author       = {{Wikipedians}},
  howpublished = {\url{https://web.archive.org/web/20240131085240/https://en.wikipedia.org/wiki/Category:Public_copyright_licenses}},
  year         = {2024},
  note         = {Accessed: 2024 Jan 31}
}

@misc{sfc:rhel,
  title        = {A Comprehensive Analysis of the GPL Issues With the Red Hat Enterprise Linux \(RHEL\) Business Model},
  author       = {Bradley M. Kuhn},
  howpublished = {\url{https://web.archive.org/web/20240205080551/https://sfconservancy.org/blog/2023/jun/23/rhel-gpl-analysis/}},
  year         = {2023},
  note         = {Accessed: 2024 Feb 5}
}

@misc{ibm:rhel,
  title        = {Furthering the evolution of CentOS Stream},
  author       = {Mike McGrath},
  howpublished = {\url{https://web.archive.org/save/https://www.redhat.com/en/blog/furthering-evolution-centos-stream}},
  year         = {2023},
  note         = {Accessed: 2024 Feb 5}
}

@misc{gnu:free,
  title        = {What is Free Software?},
  author       = {GNU},
  howpublished = {\url{https://web.archive.org/web/19980126185518/https://www.gnu.org/philosophy/free-sw.html}},
  year         = {1996},
  note         = {Accessed: 2024 Feb 8}
}

@misc{osi:gplv3,
  title        = {GNU General Public License version 3},
  author       = {OSI},
  howpublished = {\url{https://web.archive.org/web/20240226075409/https://opensource.org/license/gpl-3-0}},
  year         = {2008},
  note         = {Accessed: 2024 Feb 26}
}

@article{rms:opensource,
  author     = {Stallman, Richard},
  title      = {Viewpoint Why "open source" misses the point of free software},
  year       = {2009},
  issue_date = {June 2009},
  publisher  = {Association for Computing Machinery},
  address    = {New York, NY, USA},
  volume     = {52},
  number     = {6},
  issn       = {0001-0782},
  url        = {https://doi.org/10.1145/1516046.1516058},
  doi        = {10.1145/1516046.1516058},
  abstract   = {Decoding the important differences in terminology, underlying philosophy, and value systems between two similar categories of software.},
  journal    = {Commun. ACM},
  pages      = {31-33},
  numpages   = {3}
}

@misc{gnu:licenselist,
  title        = {Various Licenses and Comments about Them},
  author       = {GNU},
  howpublished = {\url{https://web.archive.org/web/20240226115940/https://www.gnu.org/licenses/license-list.html}},
  year         = {2023},
  note         = {Accessed: 2024 Feb 26}
}

@article{duisburg2011gpl,
  author  = {Henrik von Duisburg},
  title   = {The Enforceability of the General Public License in the US},
  journal = {Zeitschrift der Deutsch-Amerikanischen Juristen-Vereinigung e.V. 36 (2011)},
  volume  = {2},
  pages   = {69--70},
  year    = {2011},
  url     = {https://heinonline.org/HOL/Page?handle=hein.journals/dajvnws2011&id=75}
}

@misc{osi:licenselist,
  title        = {Licenses - Open Source Initiative},
  author       = {OSI},
  howpublished = {\url{https://web.archive.org/web/20240307121412/https://opensource.org/licenses}},
  year         = {2024},
  note         = {Accessed: 2024 March 7}
}

@article{kitchenham2007,
  author = {Kitchenham, Barbara and Charters, Stuart},
  year   = {2007},
  month  = {01},
  pages  = {},
  title  = {Guidelines for performing Systematic Literature Reviews in Software Engineering},
  volume = {2}
}

@inproceedings{qgs,
  author    = {Zhang, He and Ali Babar, Muhammad},
  title     = {On searching relevant studies in software engineering},
  year      = {2010},
  publisher = {BCS Learning \& Development Ltd.},
  booktitle = {Proceedings of the 14th International Conference on Evaluation and Assessment in Software Engineering},
  pages     = {111-120},
  location  = {UK},
  series    = {EASE'10}
}

@article{mustonen2003,
  title   = {Copyleft—the economics of Linux and other open source software},
  journal = {Information Economics and Policy},
  volume  = {15},
  number  = {1},
  pages   = {99-121},
  year    = {2003},
  issn    = {0167-6245},
  doi     = {https://doi.org/10.1016/S0167-6245(02)00090-2},
  url     = {https://www.sciencedirect.com/science/article/pii/S0167624502000902},
  author  = {Mikko Mustonen}
}

@misc{fsf:licenselist,
  title        = {Category:License - Free Software Directory},
  author       = {FSF},
  howpublished = {\url{https://web.archive.org/web/20240409111815/https://directory.fsf.org/wiki/Category:License}},
  year         = {2024},
  note         = {Accessed: 2024 April 9}
}

@misc{github:licenseusage,
  title        = {Open source license usage on GitHub.com - The GitHub Blog},
  author       = {Ben Balter},
  howpublished = {\url{https://web.archive.org/web/20240409120258/https://github.blog/2015-03-09-open-source-license-usage-on-github-com/}},
  year         = {2015},
  note         = {Accessed: 2024 April 9}
}

@misc{wikipedia:mit,
  title        = {MIT License - Wikipedia},
  author       = {{Wikipedians}},
  howpublished = {\url{https://web.archive.org/web/20240411081352/https://en.wikipedia.org/wiki/MIT_License}},
  year         = {2024},
  note         = {Accessed: 2024 April 11}
}

@misc{spdx:licenses,
  title        = {SPDX License List},
  author       = {{Linux Foundation}},
  howpublished = {\url{https://web.archive.org/web/20240412103557/https://spdx.org/licenses/}},
  year         = {2024},
  note         = {Accessed: 2024 April 12}
}

@misc{debian:dfsg,
  title        = {The DFSG and Software Licenses},
  author       = {Debian},
  howpublished = {\url{https://web.archive.org/web/20240415104532/https://wiki.debian.org/DFSGLicenses}},
  year         = {2024},
  note         = {Accessed: 2024 April 15}
}

@inproceedings{dyba2007,
  author = {Dybå, Tore and Dingsøyr, Torgeir and Hanssen, Geir},
  year   = {2007},
  month  = {10},
  pages  = {225 - 234},
  title  = {Applying Systematic Reviews to Diverse Study Types: An Experience Report},
  isbn   = {978-0-7695-2886-1},
  doi    = {10.1109/ESEM.2007.59}
}

@article{mantyla2019,
  title   = {Guidelines for including grey literature and conducting multivocal literature reviews in software engineering},
  journal = {Information and Software Technology},
  volume  = {106},
  pages   = {101-121},
  year    = {2019},
  issn    = {0950-5849},
  doi     = {https://doi.org/10.1016/j.infsof.2018.09.006},
  url     = {https://www.sciencedirect.com/science/article/pii/S0950584918301939},
  author  = {Vahid Garousi and Michael Felderer and Mika V. Mäntylä}
}

@misc{scancode,
  title        = {ScanCode LicenseDB},
  author       = {ScanCode},
  howpublished = {\url{https://github.com/aboutcode-org/scancode-licensedb}},
  year         = {2025},
  note         = {Accessed : 2025 March 25th}
}

@book{weak-sustainability,
  author = {Eric Neumayer},
  title  = {{Weak versus Strong Sustainability}},
  year   = 1999,
  url    = {https://ideas.repec.org/b/elg/eebook/1736.html}
}

@misc{wikipedia:copyleft,
  title        = {Copyleft - Wikipedia},
  author       = {{Wikipedians}},
  howpublished = {\url{https://web.archive.org/web/20250616132121/https://en.wikipedia.org/wiki/Copyleft}},
  year         = {2025},
  note         = {Accessed: 2025 June 16}
}

@article{license-history,
  author  = {Bernelin, Margo},
  title   = {The compatibility of open/free licences: a legal imbroglio},
  journal = {International Journal of Law and Information Technology},
  volume  = {28},
  number  = {2},
  pages   = {93-111},
  year    = {2020},
  issn    = {0967-0769},
  doi     = {10.1093/ijlit/eaaa010},
  url     = {https://doi.org/10.1093/ijlit/eaaa010},
  eprint  = {https://academic.oup.com/ijlit/article-pdf/28/2/93/33677446/eaaa010.pdf}
}

@misc{github:innovation,
  title        = {GitHub Innovation Graph},
  author       = {GitHub},
  howpublished = {\url{https://github.com/github/innovationgraph
                  }},
  year         = {2025},
  note         = {Accessed : 2025 July 2nd}
}

@misc{register:poss,
  title        = {What comes after open source? Bruce Perens is working on it},
  author       = {Thomas Claburn},
  howpublished = {\url{https://www.theregister.com/2023/12/27/bruce_perens_post_open/}},
  year         = 2023,
  note         = {Accessed: 2025 Jul 10}
}

@misc{register:perens-left-osi,
  title        = {Bruce Perens quits Open Source Initiative amid row over new data-sharing crypto license: 'We've gone the wrong way with licensing'},
  author       = {Thomas Claburn},
  howpublished = {\url{https://www.theregister.com/2020/01/03/osi_cofounder_resigns/}},
  year         = 2020,
  note         = {Accessed: 2025 Jul 21}
}

@misc{gplv2-court,
  title        = {Failure to Comply with GNU GPL V2 License: Key Takeaways from Orange's Conviction},
  author       = {Antoine Casanova},
  howpublished = {\url{https://vaultinum.com/blog/failure-to-comply-with-gnu-gpl-v2-license-key-take
                  }},
  year         = 2024,
  note         = {Accessed: 2025 Jul 21}
}

@article{hietanen2007license,
  author  = {Hietanen, Herkko A.},
  title   = {A License or a Contract, Analyzing the Nature of Creative Commons Licenses},
  journal = {Nordic Intellectual Property Law Review},
  status  = {Forthcoming},
  year    = {2007},
  note    = {Available at SSRN. Posted November 12, 2007; Revised July 20, 2008},
  url     = {https://ssrn.com/abstract=1029366}
}

@article{mahdavi-hezahevi,
title = {Variability in quality attributes of service-based software systems: A systematic literature review},
journal = {Information and Software Technology},
volume = {55},
number = {2},
pages = {320-343},
year = {2013},
note = {Special Section: Component-Based Software Engineering (CBSE), 2011},
issn = {0950-5849},
doi = {https://doi.org/10.1016/j.infsof.2012.08.010},
url = {https://www.sciencedirect.com/science/article/pii/S0950584912001772},
author = {Sara Mahdavi-Hezavehi and Matthias Galster and Paris Avgeriou},
keywords = {Variability, Service-based systems, Quality attributes, Systematic literature review},
}

@article{nurmivaara,
  title={Green in software engineering: A systematic literature review},
  author={Nurmivaara, Sami},
  year={2023},
  publisher={University of Helsinki}
}