| 000 | 00323 am a2200121 a 4500 | ||
|---|---|---|---|
| 100 | 1 | _aGazin, C.L. | |
| 245 | 1 | _aMammalian faunal zones of the brider middle eocene | |
| 260 |
_aWashington _c1976 |
||
| 300 | _a1-25 p. | ||
| 942 |
_2udc _cB |
||
| 440 | _aSmithsonian Contributions to Paleobiology Number 26 | ||
| 901 | _aS51172 | ||
| 999 |
_c108681 _d108681 |
||