000 00280nam a2200133Ia 4500
100 _aRoy, Bhola Nath
250 _a7th ed
942 _cBK
654 _a
245 _aDeductive logic
260 _aCalcutta
_bS.C. Sarkar & Sons
_c1953
082 _a162
300 _bHb
_axiv, 368
999 _c375354
_d375354
041 _aeng