No. Z A State Format Library 0001 68 Er 0 ground ENDF-6 JENDL-4.0 Electro-atomic Data 0002 68 Er 0 ground ENDF-6 JENDL-4.0 Photo-atomic Data 0003 68 Er 0 ground ENDF-6 JENDL-5 (atomic relaxation data) 0004 68 Er 0 ground ENDF-6 JENDL-5 (electro-atomic data) 0005 68 Er 0 ground ENDF-6 JENDL-5 (photo-atomic data)