TY  - BOOK
AU  - Pandey S N and others
TI  - Textbook of botany : Bryophyta, pteridophyta, gymnosperms and palaeobotany. Vol. 2
SN  - 0-07-463039-3
PY  - 2001///
CY  - New Delhi, India
PB  - Vikas Publishing House Private Limited
ER  -