000 00293nam a2200121Ia 4500
020 _a0876923481
100 _aWilliam H Gothmann
245 _aDigital Electronics: An introduction to Theory and Practice
250 _a2nd
260 _c1987
_bPHI
_aNew Delhi
300 _axiv+383
942 _cBK
999 _c11993
_d11993