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no.32 (1988:Nov.-Dic.);no.32-35 (1989:Enero-1989:Jun.);no.36 (1989:Jul.-Ago.);no.38 (1989:Nov.-Dic.);no.39-41 (1990:Enero.-1990:Jun.);no.43-44 (1990:Sept.-1990:Dic.);no.47 (1991:Mayo-Jun.);no.51-52 (1992:Mar.-2008:Abr.);no.54-56 (1992:Jul-1992:Dic.);no.57 (1993:Enero-Feb.);no.59 (1993:Mayo-Jun.);no.60-62 (1993:Jul.-1993:Dic.);no.63-64 (1994:Enero-1994:Abr.);no.67-80 (1994:Sept-1996:Dic.);no.82-83 (1997:Sept-1997:Dic.);no.90 (1998:Jul.-Ago.);no.92-94 (1998:Nov.-1999:Abr.);no.96-101 (1999:Jul.-2000:Jun.);no.104 (2000:Nov.-Dic.);no.106 (2001:Mar.-Abr.);no.119 (2003:Mayo-Jun.);no.121-125 (2003:Sep.-2004:Jun.);no.127-129 (2004:Sep.-2005:Feb.);no.131-150 (2005:May-2008:Ago.),no.67-79 (1994-1996:Mar.-Abril,Sept.-Oct.);no.80,82,83:(1996-1997 Nov./Dec.,May/Jun.) ();no.90,92 (1998:Julio-Agosto,Nov.-Dic.);no.93-94,96-98 (1999:Enero-Dic.);no.99-101,104 (2000:Enero-Junio,Nov.-Dic.);no.106 (2001:Marzo-Abril);no.119,121-124 (2003:Mayo-Junio,Mar..-Apr.);no.125,127-129:(2004:Mayo-Dec./2005: Jan.-Feb.)
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