"Journal of population sciences, "--Journal homepage.
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Individually numbered articles available as published and then compiled in annual volumes.
Electronic reproduction. [Place of publication not identified] : 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 Anno 1°, n. 1/2 (giugno 1934); title from PDF cover (JSTOR, viewed Feb. 8, 2012).