TY  - GEN
AU  - MADDOCK, R. J. 
AU  - CALCUTT, D. M. 
TI  - Electronics: A course for engineers 
SN  - 0-582-05476-1
U1  - LM 621.381 MAD 
PY  - 1988///
CY  - Harlow, 
PB  - Longman, 
ER  -