TY  - BOOK
AU  - Graham,P.C.
ED  - Butterworth and Co. Publishers.
TI  - Simple circuit building
T2  - Newnes Constructors Guide
SN  - 0408002301
PY  - 1976///
CY  - London [i pozostałe]
PB  - Newnes Technical Books
N1  - Indeks
ER  -