No. Z A State Format Library 0001 97 Bk 237 ground ENDF-6 JENDL Photonuclear Data File 2016 (expanded) 0002 97 Bk 237 ground ENDF-6 JENDL Photonuclear Data File 2016 revision 1 0003 97 Bk 237 ground ENDF-6 JENDL-5 (decay data) 0004 97 Bk 237 ground ENDF-6 JENDL-5 (photonuclear)