000 00292nam a2200121Ia 4500
020 _a0876923481
100 _aGothmann William H
245 _aDigital Electronics : An introduction to Theory and Practice
250 _a2
260 _c1987
_bPHI
_aNew Delhi
300 _axiv+383
942 _cBK
999 _c12882
_d12882