TY  - BOOK
AU  - Velayudhan, T D
TI  - Keralthile mathsyangal
SN  - 9788126435173
U1  - 597.095483 
PY  - 2012///
CY  - Kottayam
PB  - DC books
KW  - Fishes, Fisheries resources, Kerala
ER  -