TY  - GEN
AU  - Chamberlain , Charles Joseph 
TI  - Gymnosperms: structure and evolution
U1  - 585 
PY  - 1998///
CY  - New Delhi
PB  - CBS 
KW  - AGRICULTURE
KW  - PLANTS
KW  - GYMNOSPERMS
KW  - BOTANY
KW  - STRUCTURE
KW  - EVOLUTION
ER  -