000 003100000a22001330004500
245 _aSimple circuit building
100 _aGraham, P.C.
260 _aLondon
_bButterworths
_c1976
300 _a112 p.
500 _aNewnes constructors guide
080 _a621.382(076.5)
_bG7
041 _aEN
942 _cBK
999 _c103128
_d103128