TY  - BOOK
AU  - Johri, B M
AU  - Biswas, Chhaya
TI  - Gymnosperms
PY  - 1999///
PB  - Narosa Pub. House, New Delhi
KW  - Botany
KW  - Gymnosperms:Microsporangium:Coniferophytes
ER  -