TY  - GEN
AU  - Rashid , A.
TI  - An introduction to pteridophyta: diversity,development,differentiation
SN  - 8125907092
U1  - 587 
PY  - 1976///
CY  - New Delhi
PB  -  Vikas 
KW  - PTEROPSIDA
KW  - EQUISETOPSIDA
KW  - LYCOPSIDA
KW  - GAMEOPHYTE
ER  -