TY  - BOOK
AU  - Rashid, A.
TI  - An Introduction pteridophyta: (diversity and differentiation)
SN  - 706983033
U1  - 587 
PY  - 1976///
CY  - Delhi
PB  - Vikas Pub. House
KW  - Ferns
KW  - Pteridophyta
ER  -