TY  - GEN
AU  -   Gupta, M. N.
TI  - The gymnosperms
U1  - 585 
PY  - 1972///
CY  - Agra
PB  - Shiva Lal Agarawala
KW  -   Biology
KW  -   Plant physiology
KW  -   Plants, Anatomy
N1  -   Includes reference
ER  -