TY  - BOOK
AU  - Parihar,N.S.
TI  - Pteridophytes / 
T2  - An introduction to embryophyta, 
U1  - 587 23
PY  - 1973///
CY  - Allahabad
PB  - Central Book Depot
KW  - Pteridophyta
N1  - Includes bibliography and index
UR  - An introduction to embryophyta
ER  -