2224613 SzGeCERN 20210423004145.0 ASTM-E112-13 ASTM-E-112-13 eng 19.120 American Society for Testing and Materials. Philadelphia Standard test methods for determining average grain size 2013 ed. West Conshohocken, PA ASTM 2013 28 p SzGeCERN Engineering STANDARD 2012 2224580 edition 1249866 449846 http://cds.cern.ch/record/2224613/files/ASTM-E-112-13.pdf 1249866 1882535 http://cds.cern.ch/record/2224613/files/ASTM-E-112-13.pdf?subformat=pdfa pdfa h 201641 21 PUBLIC https://catalogue.library.cern/legacy/2224613 BOOK STANDARD MIGRATED