TY  - GEN
AU  - Trivedi, Bhim Shanker
AU  - Singh, D. K.
TI  - Structure and reproduction of the gymnosperms
U1  - 585 
PY  - 1969///
CY  - Lucknow
PB  - Shashidhar Malaviya Prakashan
KW  - Cordaitales
KW  - Coniferales
KW  - Cycadales
KW  - Pteridospermales
KW  - Gymnosperms
N1  - Bibliography:p. 181-189
ER  -