TY  - BOOK
ED  - Beck, Charles B.
PY  - 1988
DA  - 1988//
TI  - Origin and evolution of gymnosperms
PB  - Columbia Univ. Press
CY  - New York, NY
KW  - Gymnosperms, Fossil
KW  - GymnospermsOrigin
KW  - GymnospermsEvolution
SN  - 023106358X
LA  - English
N1  - ed. by Charles B. Beck
ID  - 274869217
ER  -