00465nam a2200157Ia 4500001000500000005001700005008004100022020001500063082001600078100002700094245002700121260002000148650003000168999001500198952009400213649320261006003939.0120911s9999 xx 000 0 und d a0133963756 a005.131 KER a Kelly, john j. 97499 a The essence of logic  a Prentice hall  a Logic programming 97500 c6493d6493 00104070aNUbNUd2012-09-11l0o005.131 KERp7278r2012-09-11 00:00:00w2012-09-11yOS