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 English and Portuguese; summaries in both languages.
Publisher’s WWW site also includes volumes 1-8, 1961-1968 under the previous title.
Description based on: Volume 09 (1) (1969); title from HTML header (publisher’s Web site, viewed Apr. 29, 2016).