Suspended between 1975 and 1983; between 1984 and 1995.
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; abstracts in English and Spanish.
Description based on: II Época, vol. 9, núm. 1-2 (enero/junio 1974); title from HTML header (publisher’s Web site, viewed Oct. 16, 2017).