TY  - BOOK
AU  - Vasishta, P C
TI  - Botany for degree students, Vol.4: Vascular cyptogams (Pteridophyta)
U1  - VAS-B3.4 
PY  - 1977///
CY  -  New Delhi
PB  - S Chand & Company Pvt. Ltd.
KW  - Pteridophyta; Botany
ER  -