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Arbeitszeit und Arbeitsvolumen in der Bundesrepublik Deutschland : 1960 - 1986 ; Datenlage, Struktur, Entwicklung
Kohler, Hans, (1988)
Employment policy alternatives to employment in the Federal Republic of Germany
Reyher, Lutz, (1980)
Working Time over life, participation in the labour market and economic growth
Koller, Martin, (1980)