منابع مشابه
Ii NOTE ON
This research was supported partly by the Office of, Naval Research under Contract No. Nonr-855(OP) for research in probability and statistics at Chapel Hill and partly by the United States Air Force through the Air Force Office of Scientific Research of the Air Research and Development Command under Contract No. AF 49(638)-213. Reproduction in whole or in part for any purpose of the United Sta...
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ژورنال
عنوان ژورنال: American Journal of Sociology
سال: 1904
ISSN: 0002-9602,1537-5390
DOI: 10.1086/211237