[1]
Häder, S. and Gabler, S. 2009. Advances in Telephone Survey Methodology. J. M. Lepkowski, C. Tucker, J. M. Brick, E. D. de Leeuw, L. Japec, P. J. Lavrakas, M. W. Link & R. L. Sangster, 2007. methods, data, analyses. 3, 1 (Jun. 2009), 114–116. DOI:https://doi.org/10.12758/mda.2009.007.