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 MiAaHDL
In Spanish; abstracts in English
digitized 2010 HathiTrust Digital Library committed to preserve pda MiAaHDL
Description based on: No. 1 (2. semestre 1999); title from PDF cover (publisher's Web site, viewed Oct. 27, 2014)