| 000 | 00356nam a2200121Ia 4500 | ||
|---|---|---|---|
| 008 | 251112s9999||||xx |||||||||||||| ||und|| | ||
| 040 | _aCNCLSA | ||
| 245 | 0 | _aProceedings Of The National Academy Of Sciences Of The United States Of America | |
| 260 |
_c1991 _bNational Academy Of Science _aU. S. A |
||
| 300 | _aP.8749-9720 | ||
| 300 | _bV.92 | ||
| 942 | _cJRBV | ||
| 999 |
_c36878 _d36878 |
||