//-->
Stichprobenverteilungen partieller Rangkorrelationskoeffizienten
Sticker, Klaus, (1980)
Optimalität von Verhältnisschätzungen
Steinmetz, Jürgen-Dieter, (1979)
On estimation in finite populations : a mumerical studi
Kanto, Antti, (1978)
Search models and applied labor economics
Kiefer, Nicholas M., (1989)
Empirical labor economics : the search approach
Devine, Theresa J., (1991)
The economic benefits from four employment and training programs
Kiefer, Nicholas M., (1979)