000 00321nam a2200121Ia 4500
100 _aHill, Frederick J & Peterson, Gerald R
250 _a3rd ed
942 _cBK
245 _aIntroduction to switching theory and logical design
260 _aJohn Wiley, New York
_c1981
082 _a621.381537 Hil/Pet
300 _axv,617
999 _c17214
_d17214