Silbereisen, R. K./Eyferth, K./Rudinger, G. (Eds.) (1986): Development as action in context: Problem behavior and normal youth development. -New York, NY.
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Silbereisen, R. K./Eyferth, K./Rudinger, G. (Hrsg.) (1986): Development as action in context: Pro- blem behavior and normal youth development. -New York, NY.
(xsd:string)