000 00354nam a2200157Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a160
_bB255
100 _aBarker S F
245 _aElements of logic
260 _aLondon
_bMcgraw-Hill
_c1965
300 _axiv,336
650 _aLogic
942 _cBK
999 _c57583
_d57583