TY  - BOOK
AU  - Seward, A.C.
TI  - Plant Life Through the Ages: A Geological and Botanical Retrospect
U1  - 561 
PY  - 1959///
CY  - New York
PB  - Hafner Publishing Co.
KW  - Paleontology/ Paleozoology
KW  - Pure Sciences
KW  - Paleobotany
ER  -