000 00354nam a2200133Ia 4500
008 150304s9999||||xx |||||||||||||| ||und||
082 _a621.38173 LEA
100 _a"Leach, Donald, P & Others"
245 _aDigital Principles And Applications (7th Ed )
250 _a2010
260 _bTata Mc Graw Hill
300 _a621.38173 LEA
938 _bCEN_1001
999 _c2279
_d2279