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Curvature conditions and substitution pattern among capital, energy, materials and heterogeneous labour
Koebel, Bertrand M., (1999)
Interdependenzen in der dynamischen Arbeitsnachfrage - eine Untersuchung mit Daten aus dem IAB-Betriebspanel
Kölling, Arnd, (1999)
O acesso ao capital dos idosos brasileiros : uma perspectiva do ciclo da vida
Neri, Marcelo Cortes, (1999)
The economics of social insurance and employee benefits
Butler, Richard J., (1999)
Managing voluntary and non-profit organizations : strategy and structure
Butler, Richard, (1990)
[Rezension von: Moore, Michael J., ..., Compensation mechanisms for job risks]
Butler, Richard, (1992)