000 00281nam a2200109Ia 4500
008 180820s9999 xx 000 0 und d
050 _aC Fil. BC 108 L832 2007
100 _a-
245 0 _aLogic the art of reasoning/ Raymundo Julio Olaguer [etal]
650 _aLogic
942 _cBK
999 _c58548
_d58548