TY  - BOOK
AU  - G. K. PUB
TI  - UPSC (IES) ENGINEERING SERVICE EXAMINATION ELECTRONICS AND TELECOMMUNICATIONS ENGINEERING
U1  - 621.381/GKP 
PY  - 2006///
CY  - NOIDA.
PB  - G.K. PUBLISHERS (P) LTD., NOIDA
ER  -