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Schwarz, Hans-Peter
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2006,
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Gahlbeck, Christian.
R. Oldenbourg,,
2006,
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Müller, Jürgen
R Oldenbourg,,
2006,
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Pröve, Ralf
R Oldenbourg,,
2006,
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Niedhart, Gottfried
R. Oldenbourg verlag,,
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Schubert, Ernst
R Oldenbourg,,
2006,