TY  - BOOK
AU  - Sattler,Helen Roney
TI  - Pterosaurs, the flying reptiles
SN  - 0688039952
U1  - 567.97 23
PY  - 1985///
CY  - New York : 
PB  - Lothrop , 
KW  - Pterosauria ; Prehistoric animals
ER  -