TY  - GEN
AU  - Rashid , A.
TI  - An introduction to pteridophyta: diversity and differentiation
SN  - 070699809x
U1  - 587 
PY  - 1976///
CY  - New Delhi
PB  - Vikas Publishing House
KW  - Vascular Seedless Plants
KW  - Plants
KW  -  Botany
ER  -