000 00317nam a2200121Ia 4500
008 230717s9999 xx 000 0 und d
020 _a81-203-1190-6
041 _aeng
082 _a160
_bKEL
100 _aKelly J. J
245 _aEssence Of Logic
260 _aNew Delhi
_bPrentice-hall Of India Private Limited
_c1997
999 _c670847
_d670847