TY  - BOOK
AU  - Velayudhan Panthirankavu
TI  - Bhoomi nammute graham
U1  - M 525 
PY  - 1999///
CY  - Kochi
PB  - Kerala Sasthra Sahithya Parishad
KW  - Earth
KW  - Astronomy
KW  - Sciences
ER  -