00399nam a22001457a 4500003001200000005001700012008004100029020001500070040001200085082001700097100002000114245007700134260001100211650003100222NUST - PNEC20170116180947.0150906b        xxu||||| |||| 00| 0 eng d  a8176564370  cLIBRARY  a621.3815 CAR  aCarr, Joseph J.  aElectronic circuit guidebook Vol 5 : digital electronicscJoseph K. Carr  cc.2001  aElectronic EngineeringxEE