TY  - BOOK
AU  - VASHISHTA, P . C .
TI  - PTERIDOPHYTA ( VASCULAR CRYPTOGAMS ) / 
T2  - BOTANY FOR DEGREE STUDENTS
U1  - 587 
PY  - 1991///
CY  - DELHI
PB  - SULTAN CHAND & CO.
KW  - PTERIDOPHYTA
N1  - 5TH REV ED (1993 RPT )
ER  -