000 00372nam a2200121Ia 4500
008 251112s9999||||xx |||||||||||||| ||und||
040 _aCNCLSA
245 0 _aProceedings of the National Academy Of Sciences of the United States of America
260 _cJanuary, 1980
_bThe National Academy of Sciences
_aWashington
300 _aP. 1-2354
300 _bV. 77
942 _cJRBV
999 _c12329
_d12329