1
Published: Stuttgart, Teubner, 1985
   
2
Published: Wiesbaden, ADV/ORGA F. A. Meyer, Geschäftsbereich Forschung u. Entwicklung, 1982
   
11
Published: Wiesbaden, Gabler, 1990
   
13
Published: Hamburg [u.a.], McGraw-Hill, 1987
   
17
Published: Düsseldorf, Ministerium für Arbeit, Gesundheit und Soziales des Landes Nordrhein-Westfalen, 1988
   
18
   

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