TY  - BOOK
AU  - Rajesh,M.
TI  - Pterydophyta
SN  - 9380421018 (pbk.)
U1  - 582 
PY  - 2009///
CY  - Thanjavur
PB  - Nalankilli Pathippagam
KW  - Phytogeography
KW  - Gymnosperms
KW  - Plants
KW  - Development
ER  -