TY  - BOOK
AU  - Rashid,Shaikh Abdur
TI  - An introduction to pteridophyta : diversity and differentiation
SN  - 0706983041
U1  - 587 
PY  - 1976///
CY  - New Delhi
PB  - Vikas Publishing House Pvt Ltd
KW  - Pteridophyta
ER  -