TY - BOOK T1 - Models in paleobiology, DA - [1972] CY - San Francisco, AU - Schopf, Thomas J. M. CN - QE721 .S36 CN - QE721 PB - Freeman, Cooper PP - San Francisco, PY - [1972] ID - 59311 KW - Paleontology SN - 0877353255 TI - Models in paleobiology, ER -