TY  - BOOK
AU  - Rashid, A. 
TI  - An introduction to pteridophyta
SN  - 0706904478
U1  - 587 RAS 
PY  - 1976///
CY  - New Delhi
PB  - Vikas Publishing House Private Limited
KW  - An introduction to pteridophyta
KW  - Pteridophyta
ER  -