Microfilm. year 1: no. 3-4 (1985); year 2: no. 1-4 (1986); year 3: no. 1-4 (1987); year 4: no. 1-5 (1988); year 5: no. 1-4 (1989); year 6: no. 1-5 (1990); year 7: no. 1 (1991). Madison, Wis. : Collection Preservation Dept., Memorial Library, University of Wisconsin-Madison, 1991-1997. 2 microfilm reels : negative ; 35 mm. Year/ano 6, no. 3 (Mayo/junio 1990) filmed from a photocopy; reel contents guide on the film for 1990 and 1991 incorrectly designate "year" 4 [i.e. 6] (1990) and "year" 5 [i.e. 7] (1991).