//-->
Stichprobenverteilungen partieller Rangkorrelationskoeffizienten
Sticker, Klaus, (1980)
Optimalität von Verhältnisschätzungen
Steinmetz, Jürgen-Dieter, (1979)
On estimation in finite populations : a mumerical studi
Kanto, Antti, (1978)
Sample design issues in time diary studies
Kalton, Graham, (1985)
Compensating for missing survey data
Kalton, Graham, (1983)
Practical methods for sampling rare and mobile populations
Kalton, Graham, (2003)