TY  - BOOK
AU  - Parihar, N. S.
TI  - Pteridophytes
U1  - 587 
PY  - 1993///
CY  - Allahabad
PB  - Central Book Depot
KW  - Botany
KW  - Pteriodophyta
KW  - Vascular cryptogams
ER  -