| 000 | 00384nam a22001097a 4500 | ||
|---|---|---|---|
| 008 | 230719b |||||||| |||| 00| 0 eng d | ||
| 020 | _a0027-8424 | ||
| 040 |
_aNational Science Library _cNational Science Library |
||
| 245 | _aProceedings of the national academy of sciences of the united States of America | ||
| 260 |
_aWashington: _bThe National Academy of Science |
||
| 942 |
_2udc _cCR |
||
| 999 |
_c53605 _d53605 |
||