TY  - BOOK
AU  - Sivasankaran, M
AU  - 
TI  - Oreyoru bhumi
SN  - 9788190551021
U1  - 55 
PY  - 2007///
CY  - Thrissur
PB  - Kerala Sastra Sahitya Parishad
KW  - Earth science
KW  - Geology
ER  -