| 000 | 00343nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 251112s9999||||xx |||||||||||||| ||und|| | ||
| 040 | _aCNCLSA | ||
| 100 |
_aDaniel E. Koshland _93390 |
||
| 245 | 0 | _aScience | |
| 260 |
_c1987 _bAmerican Association For the Advancement of science _aUSA |
||
| 300 | _aP.1-1656 | ||
| 300 | _bV.237 | ||
| 942 | _cJRBV | ||
| 999 |
_c23512 _d23512 |
||