TY  - BOOK
AU  - Olson,Everett C.
AU  - Czerkas,Sylvia J.
ED  - Natural History Museum of Los Angeles County
TI  - Dinosaurs past and present
SN  - 0938644238 (pbk.) :
U1  - 567.9 
PY  - 1986///
CY  - [Los Angeles, Calif.]
PB  - Natural History Museum of Los Angeles County in association with University of Washington Press
KW  - Dinosaurs
KW  - Reptiles, Fossil
ER  -