TY  - BOOK
AU  - Dugger.W. & Others.
TI  - Basic Eletn.Sys.Techno.Unit-3.Control.Device.&Sys
U1  - 621.3811 
PY  - 1973///
PB  - Bombay Book House.
KW  - ELN
KW  - F-18
ER  -