| 000 | 00428nam a22001337a 4500 | ||
|---|---|---|---|
| 008 | 230421b |||||||| |||| 00| 0 eng d | ||
| 040 |
_aNational Science Library _cNational Science Library |
||
| 080 |
_a5(73) _bJ6 |
||
| 245 | _aProceeding of the academy of natural science of Philadelphia | ||
| 260 |
_aPhiladelphia: _bThe Academy of Natural Science, _c1956 |
||
| 300 | _a278p. | ||
| 650 | _aNatural science | ||
| 942 |
_2udc _cPR |
||
| 999 |
_c22095 _d22095 |
||