Incentives in two German mail surveys 1996/97 and 1997

Cite article

Harkness, J., Mohler, P., Schneid, M. & Christoph, B. (1998): Incentives in two German mail surveys 1996/97 and 1997. In: A. Koch & R. Porst (Hrsg.) (1998): Nonresponse in survey research : proceedings of the Eighth International Workshop on Household Survey Nonresponse, 24-16 September 1997 (ZUMA Nachrichten spezial, 04), p. 201-218.