000
003100000a22001330004500
245
_a
Simple circuit building
100
_a
Graham, P.C.
260
_a
London
_b
Butterworths
_c
1976
300
_a
112 p.
500
_a
Newnes constructors guide
080
_a
621.382(076.5)
_b
G7
041
_a
EN
942
_c
BK
999
_c
103128
_d
103128