000 00354nam a2200121Ia 45e0
008 180816s2018 xx 000 0 und d
082 _a005.115
100 _aKelly, John J.
245 0 _aEssence Of Logic
260 _bPrentice-Hall of India , ND
942 _2ddc
_cREF
999 _c84
_d84