00337nam a2200121Ia 4500008004000000082002000040100001900060245004800079250000500127260004000132300000800172650003500180210210b1991   xxu||||| |||| 00| 0 eng d  a621.381548 BISD  aBISHOP (Owen).  aDigital electronics projects for beginners.  a  aNew Delhi.bBPB Publications,c1991  a119  aDigital Electronics Projects