000 | 00451nam a2200181 4500 | ||
---|---|---|---|
020 |
_a _c |
||
082 | _a560.45 SHR-P | ||
100 | _aShrock, Robert R; Twenhofel, William H | ||
245 | _aPrinciples of invertebrate paleontology | ||
250 | _a | ||
260 |
_aMcGraw-Hill book Co, Inc., NewYork _c1953 |
||
300 | _a | ||
490 | _a | ||
500 | _a | ||
590 |
_aVIN _b _c |
||
650 | _aPaleoecology and fossils of specific environments | ||
942 | _cBK | ||
999 |
_c540223 _d540223 |