TY  - BOOK
AU  - Vashishta,B.R.
TI  - Pteridophyta: Botany for degree students 
SN  - 8121904633
U1  - 581.954162 22
PY  - 1997///
CY  - New Delhi
PB  - S. Chand
KW  - Botany
ER  -