TY  - BOOK
AU  - Czerkas,Sylvia Massey
AU  - Olson,Everett Claire
TI  - Dinosaurs past and present
PY  - 1987///
CY  - Washington, DC
PB  - Seattle and London
KW  - Dinosaurs
KW  - Exhibitions
N1  - Includes bibliography and indexes; Open access
ER  -