TY  - BOOK
AU  - Hemachandran, M M  .
AU  - Sreenivas,T R  .
AU  - Vasu,K K  .
AU  - Warrier,B S  .
TI  - Vaidhyutha technology / 
U1  - 621.301 
PY  - 1972///
CY  - Thiruvananthapuram : 
PB  - State Instititute of Languages , 
ER  -