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Publicado en línea: 28 may 2016
Páginas: 545 - 547
DOI: https://doi.org/10.1515/jos-2016-0028
© 2016 Paul C. Beatty, published by De Gruyter Open
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Paul C. Beatty
U.S. Census Bureau, Center for Survey Measurement, 5K011 Suitland Federal Center, 4600 Silver Hill Road, Washington District of Columbia 20233, U.S.A.