| 000 | 00441 a2200169 4500 | ||
|---|---|---|---|
| 082 |
_a567 _bSHR |
||
| 090 |
_c20088 _d31124 |
||
| 100 | _aShrock, Robert R. | ||
| 245 | _aPrinciples of invertebrate paleontology | ||
| 250 | _a2nd ed. | ||
| 260 |
_aNew Delhi _bCBS Publishers & Distributors _c1953 _g1953 |
||
| 300 |
_axx,816p. _c21cm |
||
| 650 | _aFossil chordata | ||
| 650 | _aPaleontology | ||
| 700 | _aTwenhofel, Williams H. | ||
| 942 | _cL | ||
| 999 |
_c47752 _d47752 |
||