Changed parent class for PaNET01025

Replaced 'diffraction' with 'defined by experimental physical process' as a parent class for 'reference beam'.
Fixes issue #177

Author: terencetan-c

source/PaNET.csv

@@ -77,7 +77,7 @@ ID number,,,,,,,,,,,,,,,,,,,,,,,,
 1022,http://purl.org/pan-science/PaNET/PaNET01022,diffraction,,,,https://en.wikipedia.org/wiki/Diffraction,owl:Class,PaNET:PaNET01020,,,,,,,,https://www.wikidata.org/wiki/Q133900,,,,,,,,
 1023,http://purl.org/pan-science/PaNET/PaNET01023,dynamical diffraction,,,,https://en.wikipedia.org/wiki/Dynamical_theory_of_diffraction,owl:Class,PaNET:PaNET01022,,,,,,,,,,,,,,,,
 1024,http://purl.org/pan-science/PaNET/PaNET01024,coherent diffraction,,,Probe is highly coherent over illuminated sample,,owl:Class,PaNET:PaNET01022,,,,,,,,,,,,,,,,
-1025,http://purl.org/pan-science/PaNET/PaNET01025,reference beam,,,e.g. holography,https://en.wikipedia.org/wiki/Reference_beam,owl:Class,PaNET:PaNET01022,,,,,,,,,,,,,,,,
+1025,http://purl.org/pan-science/PaNET/PaNET01025,reference beam,,,e.g. holography,https://en.wikipedia.org/wiki/Reference_beam,owl:Class,defined by experimental physical process,,,,,,,,,,,,,,,,
 1026,http://purl.org/pan-science/PaNET/PaNET01026,atomic scale diffraction,,,essential diffracting structure(s),,owl:Class,PaNET:PaNET01022,,,,,,,,,,,,,,,,
 1027,http://purl.org/pan-science/PaNET/PaNET01027,atomic scale diffraction 3D volume,,,,,owl:Class,atomic scale diffraction,,,,,,,,,,,,,,,,
 1028,http://purl.org/pan-science/PaNET/PaNET01028,atomic scale diffraction 3D volume 3D periodic,,,,,owl:Class,atomic scale diffraction 3D volume,,,,,,,,,,,,,,,,
@@ -457,7 +457,7 @@ ID number,,,,,,,,,,,,,,,,,,,,,,,,
 2020018,http://purl.org/pan-science/PaNET/PaNET2020018,diffraction,,,,,owl:Class,PaNET:PaNET2020016,,,,,,,,,,,,,,,,
 2020019,http://purl.org/pan-science/PaNET/PaNET2020019,dynamical diffraction,,,,,owl:Class,PaNET:PaNET2020018,,,,,,,,,,,,,,,,
 2020020,http://purl.org/pan-science/PaNET/PaNET2020020,coherent diffraction,,,,,owl:Class,PaNET:PaNET2020018,,,,,,,,,,,,,,,,
-2020021,http://purl.org/pan-science/PaNET/PaNET2020021,reference beam,,,,,owl:Class,PaNET:PaNET2020018,,,,,,,,,,,,,,,,
+2020021,http://purl.org/pan-science/PaNET/PaNET2020021,reference beam,,,,,owl:Class,process,,,,,,,,,,,,,,,,
 2020022,http://purl.org/pan-science/PaNET/PaNET2020022,incoherent scattering,,,,,owl:Class,scattering,,,,,,,,,,,,,,,,
 2020023,http://purl.org/pan-science/PaNET/PaNET2020023,inelastic scattering,,,,,owl:Class,PaNET:PaNET2020022,,,,,,,,,,PaNET:PaNET2020016,,,,,,
 2020024,http://purl.org/pan-science/PaNET/PaNET2020024,quasielastic scattering,,,,,owl:Class,PaNET:PaNET2020023,,,,,,,,,,,,,,,,