TY  - BOOK
AU  - Chopra, G.L.
TI  - Gymnosperms
U1  - 585 
PY  - 1960///
CY  - Jullundur City
PB  - S. Nagin and Co.
KW  - Botanical sciences
KW  - Pure Sciences
KW  - Gymnosperms
ER  -