TY  - GEN
AU  - Vashishta ,  P.C
TI  - Botany for degree students Vol; IV: vascular cyptogams pteridophyta
U1  - 587 
PY  - 1991///
CY  - New Delhi
PB  - S.Chand and Company
KW  - PTERIDOPHYTA
KW  - VASCULAR SEEDLESS PLANTS
ER  -