000			00359nam a2200133Ia 4500
008			251112s9999||||xx |||||||||||||| ||und||
040			_aCNCLSA
100			_aPhilip H. Abelson
245		0	_aScience
260			_cNovember 16, 1971 _bThe American Association for the Advancement of Science _aWashington
300			_aP. 1-184
300			_bV.51
942			_cJRBV
999			_c19674 _d19674