TY  - BOOK
AU  - Havill,R.L.
AU  - Walton,A.K.
TI  - Elements of electronics for physical scientists
T2  - A Macmillan physics text
U1  - 621.381 
PY  - 1985///
CY  - London
PB  - Macmillan
KW  - Electronic apparatus and appliances
ER  -