Each issue of v. 1-5, 1983-1987 also called no. 4.
Some issues published in combined form.
Electronic reproduction. [S.l.] : HathiTrust Digital Library, 2011.
Master and use copy. Digital master created according to Benchmark for Faithful Digital Reproductions of Monographs and Serials, Version 1. Digital Library Federation, December 2002. http://purl.oclc.org/DLF/benchrepro0212
In Spanish, some summaries in English.
Description based on first issue; title from PDF caption (publisher’s Web site viewed Mar. 8, 2012).
Latest issue consulted: Vol. 29 (2011) (viewed Mar. 8, 2012).