000 003140000a22001330004500
008 140223b1969 xxu||||| |||| 00| 0 eng d
041 _aENG
080 _aE9G K9
082 _aE9G K9
100 _aWOLF (George)
245 _aIsotopes in biology
260 _aNew York
_bAcademic
_c1969
650 _aBIOCHEMISTRY
999 _c228304
_d228304