000 00298nam a2200121Ia 4500
008 220201s1977 xx 000 0 eng d
082 _bMAL
100 _aMalvino Leach
245 0 _aDigital principles & application
260 _aNew Delhi
_bTata Mc Graw Hill
_c1977
300 _a437
942 _2ddc
999 _c17383
_d17383