000 00264nam a2200109Ia 4500
008 230401s9999 xx 000 0 eng d
100 _aFREDERICK J.HILL
245 0 _aINTRODUCATION TO SWITCHING THEARY
250 _aIIND
260 _bJOHN WILEY
942 _2ddc
_cMCA
999 _c13991
_d13991