TY  - BOOK
AU  - Chopra,G.L.
TI  - A text book of gymnosperms 
U1  - 585 CHO 
PY  - 1978///
CY  - Delhi
PB  - S. Nagin & Compan
KW  - Gymnosperms
KW  - A text book of gymnosperms
ER  -