-Existencias: 1980-1981 v. 12, no. 2-3; 1983-1988 v. 14-19, no. 1-4; 1989 v. 20, no. 1-3; 1990 v. 20-21 no. 4, 1-4; 1992 v. 23, no. 1-3; 1993 v. 24, 1-4; 1994 v. 25, no. 1-4 + supl. 1; 1995 v. 26, no. 1-4; 1996 v. 27, no. 1-4 + Handbook; 1997-1998 v. 28-29, no. 1-4; 1999 v. 30, no. 1-3; 2000 v. 31, no. 3-4; 2001 v. 32, no. 1-4; 2002 v. 33, no. 1-4 + Handbook; 2003 v. 34, no. 1-4; 2004 v. 35, no. 1-3; 2005 v. 36, no. 1, 3; 2006 v. 37, no. 1 - Donación Camilo Quarin