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 articles in English.
No. 1 (1937)-no. 70 (1997).
Description based on: Vol. XVI, núm. 65 (otoño 1994); title from HTML header (Redalyc Web site, viewed Mar. 6, 2014).