TY  - GEN
AU  - Rashid, A.
TI  - (An) Introduction to pteridophyta: diversity development differentiation 
SN  - 81-259-0709-2 :
U1  - 587 
PY  - 1999///
CY  - New Delhi
PB  - Vikas publishing
KW  - PTERIDOPHYTA
N1  - Includes index
ER  -