000 00319nam a2200109Ia 4500
008 220201s1991 xx 000 0 eng d
100 _aP.Barhona
245 0 _aEpia91: 5th Portugues Conference on Artificial Intelligence Algebra Portugul Oct 1991
260 _aNew Delhi
_bMade Easy
_c1991
300 _a292
942 _2ddc
999 _c66422
_d66422