00576nam a2200157Ia 450000500170000000800410001702000150005808200190007310000300009224500720012226000490019465000380024365000200028195201000030199900170040120240911061326.0190528s9999    xx            000 0 und d  a0136907350  a621.38137bHUG  aHughes, Fredrick W.91285 0aPractical guide to Digital Electronic circuits/cFredrick W. Hughes  aNew York :bParker publishing company,c1977  aDigital Electronic Circuits91286  aElectronics991  00104070aRFbRFd2019-05-28l0o621.38137 HUGpLC-21554r2019-05-28 00:00:00w2019-05-28yBK  c12775d12775