TY  - BOOK
AU  - Singh, Sanjay Kumar 
TI  - Textbook of gymnosperms : : (for B.Sc and M. Sc students of indian universities) 
SN  - 81803082X
U1  - 585 23
PY  - 2007///
CY  - Delhi
PB  - Campus Books
KW  - Gymnosperms
ER  -