Electronic reproduction. [S.l.] : HathiTrust Digital Library, 2011. MiAaHDL
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, French and English; abstracts in Spanish and in the language of the text.
digitized 2011 HathiTrust Digital Library committed to preserve pda MiAaHDL
Description based on: I/1 (1983); title from HTML header (publisher's Web site, viewed Feb. 24, 2015).