TY  - BOOK
AU  - Revamma, Ns
TI  - Calenderum Kalavum
U1  - 529.3 
PY  - 1975///
CY  - Thiruvananthapuram
PB  - State Institute of Languages
KW  - General Stack
KW  - Natural Science
KW  - PhsyicsAstronomy
KW  - Generalia
ER  -