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; abstracts in English and Spanish.
Description based on: No. 1 (enero-diciembre de 2003); title from PDF title page (publisher’s Web site, viewed Dec. 4. 2014).