000 00368nam a2200133Ia 4500
008 251112s9999||||xx |||||||||||||| ||und||
040 _aCNCLSA
100 _aPhilip H. Abelson
_92601
245 0 _aScience
260 _cNovember 16, 1971
_bThe American Association for the Advancement of Science
_aWashington
300 _aP. 1-184
300 _bV. 174A
942 _cJRBV
999 _c12028
_d12028