TY  - BOOK
AU  - Chinnapappu, P.
TI  - Pteridophytes and gymnosperms
SN  - 9788190905589
U1  - 585.012 
PY  - 2009///
CY  - Salem
PB  - Sreerengayammal Memorial Educational and Charitable Trust
KW  - Gymnosperms
KW  - Pteridophyta
ER  -