"A study of global change (IGBP) of the International Council of Scientific Unions.".
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
Description based on: No. 1 (May 1989); title from PDF caption (publisher’s Web site, viewed Aug. 11, 2004).