000 00393nam a2200145Ia 4500
008 251112s9999||||xx |||||||||||||| ||und||
022 _a0036-8075
040 _aCNCLSA
100 _aDaniel E. Koshland Jr.
245 0 _aScience
260 _cAugust 14, 1992
_bThe American Association for the Advancement of Science
_aWashington
300 _aP. 849-2012
300 _bV. 257
942 _cJRBV
999 _c13581
_d13581