000 00409nam a2200133Ia 4500
008 251112s9999||||xx |||||||||||||| ||und||
040 _aCNCLSA
100 _aRobert L. Sinsheimer
245 0 _aProceedings of the National Academy Of Sciences of the United States of America
260 _cJanuary, 1976
_bThe National Academy of Sciences
_aWashington
300 _aP. 1-1374
300 _bV. 73
942 _cJRBV
999 _c11875
_d11875