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1.
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Freizeit als Ethisches Problem / Ambrosius Karl Ruf

by Ruf, Ambrosius Karl.

Source: Neue Ordnung (Die) vol. 24, 1970, págs. 280-290Material type: Article Article; Format: print Language: German Availability: Items available for loan: (1).
2.
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Werbung und Ethik / Ambrosius Karl Ruf

by Ruf, Ambrosius Karl.

Source: Neue Ordnung (Die) vol. 28, 1974, págs. 136-144Material type: Article Article; Format: print Language: German Availability: Items available for loan: (1).

Bibliotecas Dominicos Provincia Hispania, 2016

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