| 000 | 00382nam a2200121Ia 4500 | ||
|---|---|---|---|
| 008 | 140208s9999 xx 000 0 und d | ||
| 020 | _a00278424 | ||
| 044 | _aU.S.A. | ||
| 245 |
_aProceedings of the National Academy of Science U.S.A. v.80, July-Aug, 1983 _c |
||
| 260 |
_bNational Academy of Sciences _aWashington _c1983 |
||
| 300 | _av.80, varies, varies p.; 29cm. | ||
| 942 |
_2udc _cP |
||
| 999 |
_c21221 _d21221 |
||