TY  - BOOK
AU  - Romans Robert C Ed.
ED  - International conference on geobotany (1976 : Bowling green)
TI  - Proceeding on geobotany
U1  - I:8p73,N76, L7 
PY  - 1977///
CY  - New York    
PB  -  Plenum Press       
KW  -  Paleobotany
KW  - Botany
ER  -