000 00317nam a2200121Ia 4500
008 190711s9999 xx 000 0 und d
082 _a621.381537 H645
100 _aHILL.F.J
245 0 _aINTRODUCTION TO SWITCHING THEORY AND LOGICAL DISIGN
260 _aNEW YORK
_bWiley
_c1981
300 _a23X16
942 _cBK
_2DDC
999 _c19971
_d19971