TY  - GEN
AU  - Singh, Sanjay Kumar
TI  - Textbook of gymnosperms
SN  - 818030082X
U1  - 585 
PY  - 2009///
CY  - New Delhi
PB  - Campus Books International
KW  - BOTANY
KW  - GYMNOSPERMS
KW  - PINOPHYTA
KW  - PLANT TAXONOMY
ER  -