TY  - BOOK
AU  - Verdoorn, 
TI  - Manual of Pteridology
U1  - 571.3 
PY  - 1938///
CY  - Thrissur
PB  - Hodderpaperbacks
KW  - GENERAL STACK
KW  - Natural sciences & mathematics
KW  - Life sciences; biology
KW  - Physiology & related subjectsZoology
ER  -