000 00322 am a2200121 a 4500
100 1 _aGazin, C.L.
245 1 _aMammalian faunal zones of the bridger middle eocene
260 _aWashington
_c1976
300 _a1-25 p.
942 _2udc
_cB
440 _aSmithsonian Contributions to Paleobiology. No. 26
901 _aS52749
999 _c110607
_d110607