TY  - BOOK
AU  - Sharma, O P
TI  - T b of Pteridophyta
U1  - 587 
PY  - 1900///
CY  - Madras
PB  - India Ctd Reg Office
KW  - General stack
KW  - Vascular seedless plants
KW  - Plants (Botany)
KW  - Natural sciences & mathematicsBotany
ER  -