TY  - BOOK
AU  - Parihar, N.S.
TI  - An Introduction to Embryophyta: Pteridophyta: Vol. 2
U1  - 587 
PY  - 1957///
CY  - Allahabad
PB  - Central Book Depot
KW  - Botany
KW  - Pteridophyta
ER  -