TY  - BOOK
AU  - Johri,R.M.
TI  - A Textbook of Pteridophyta
SN  - 9789380642659
U1  - 581 
PY  - 2012///
CY  - New Delhi
PB  - Dominant Publishers & Distributors (P) Ltd
KW  - Specific topics in natural history,Botany
ER  -