000 00411nam a2200133Ia 4500
008 251112s9999||||xx |||||||||||||| ||und||
040 _aCNCLSA
100 _aMurrie W. Burgen
_92946
245 0 _aProceedings of the National Academy Of Sciences of the United States of America
260 _cSeptember, 1973
_bThe National Academy of Sciences
_aU.S.A
300 _aP. 2473-3943
300 _bV. 70
942 _cJRBV
999 _c30549
_d30549