000 00242nam a2200109Ia 4500
008 220201s2001 xx 000 0 eng d
100 _aKELLY, JOHN
245 0 _aESSENCE OF LOGIC
260 _aDELHI
_bPHI
_c2001
300 _a258
942 _2ddc
999 _c68201
_d68201