Electronic reproduction. [S.l.] : HathiTrust Digital Library, 2010.
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 abstracts in English, French and Spanish.
Description based on: Vol. 1, núm. 1 (enero de 1990); title from PDF cover (publisher’s Web site, viewed July 28, 2015).
Latest issue consulted: No. 45 (julio-diciembre de 2014) (viewed July 28, 2015).