TY  - BOOK
AU  - Ramamoorthy, S  .
AU  - Krishnamoorthy,K S  .
AU  - Rajagopalan,P R  .
TI  - Text book of modern physics / 
U1  - 539 
PY  - 1965///
CY  - Madras : 
PB  - The National publishing Co. , 
ER  -