| 000 | 00363nam a2200121Ia 4500 | ||
|---|---|---|---|
| 008 | 251112s9999||||xx |||||||||||||| ||und|| | ||
| 040 | _aCNCLSA | ||
| 245 | 0 | _aProceedings of the National Academy Of Sciences of the United States of America | |
| 260 |
_cSeptember 1, 1991 _bProc. Natl. Acad. Sci. _aU.S.A |
||
| 300 | _aP. 7459-8864 | ||
| 300 | _bV.46 | ||
| 942 | _cJRBV | ||
| 999 |
_c14647 _d14647 |
||