00498nam a2200157Ia 4500008004100000020001800041082001900059100003200078245006200110250000700172260002300179300001100202650001700213952009300230999001700323120622s9999 xx 000 0 und d a968-412-020-6 a160 G984i 1982 aGutiérrez Sáenz, Raúl aIntroducción a la lógica / Raúl Gutiérrez Sáenz a17 aMéxico : Esfinge a331 p. a1. LOGICAÌ 00104070a22b22d2007-01-25l0o160 G984I 1982p01 004262r2012-06-24w2012-06-24yLB c55401d55401