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Surveys by telephone : a national comparison with personal interviews
Groves, Robert M., (1979)
"Just like normal people" : towards the investigation of the use and significance of communication and information technologies in the household
Sinclair, John, (1992)
Die Entscheidung über Erhebungsmethode und Methoden-Mix in der Wirtschafts- und Sozialforschung : aus der Infratest-Forschung
Allerbeck, Klaus, (1981)
Sources of error in the personal interview
Smith, Joan Macfarlane, (1972)