TY  - BOOK
AU  - Rashid,A  .
TI  - An introduction to pteridophyta : diversity, development, differentiation / 
SN  - 8125907092
U1  - 587 
PY  - 1990///
CY  - New Delhi : 
PB  - Vikas Publishing House , 
KW  - PTERIDOPHYTA
N1  - Include index
ER  -