000 00446nam a2200169Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a681.142
_bT685
100 _aTorng H C
245 _aIntroduction to the logical design of switching systems
260 _aLondon
_bAddison-Wesley
_c1964
300 _axii,286p.
650 _aDigital computers
650 _aSwitching systems
942 _cBK
999 _c56235
_d56235