TY  - BOOK
ED  - North American Paleontological Convention (1969 : Chicago)
TI  - Evolution of communities: proceedings of the North American paleontological convention, Field Museum of Natural History, Chicago September 5-7, 1969
PY  - 1970///
CY  - Inc., Lawrence, KS
PB  - Allen Press
KW  - Paleontology
KW  - Congresses
N1  - includes bibliographical references
ER  -