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Sampling errors of fertility rates from the W.F.S.
Little, Roderick J. A., (1982)
The effect of sample truncation on estimates of fertility relationships
Edlefsen, Lee E., (1981)
Stichprobentheorie : Grundlagen, Theorie und Technik
Leiner, Bernd, (1985)
Family budget surveys in the EC : methodology and recommendations for harmonisation
Verma, Vijay, (1993)
Surveys of economically active population, employment, unemployment and underemployment : an ILO manual on concepts and methods
Hußmanns, Ralf, (1990)
Assessment of errors in household surveys
Verma, Vijay, (1981)