TY  - BOOK
AU  - Rashid,A.
TI  - An Introduction to Pteridophyta(Diversity and Differentiation
SN  - 0-7069-3003-7
AV  - 587/RAS 
U1  - 587/RAS 
CY  - New Delhi
PB  - Vikas Publishing House Pvt Ltd
ER  -