Published by: E.C.P.S. (European Centre for Population Studies), 1975-1983
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
Text in English, French or German; summaries in English
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