@conference{582dc5ffaff8451a96b8cd81cc80b839,
title = "The Influence of Advanced Letters on Response in Telephone Surveys: A Meta- Analysis",
keywords = "Overige Sociale Wetenschappen/Bestuurskunde (OSOC)",
author = "{De Leeuw}, E.D. and J.J. Hox and E. Korendijk and G.J.L.M. Lensvelt-Mulders and M. Callergaro",
note = "presenter Elly Koerendijk; Paper presented at the RC33 Sixth International Conference on Social Science Methodology ; Conference date: 16-08-2004 Through 20-08-2004",
year = "2004",
month = aug,
day = "16",
language = "Undefined/Unknown",
}