Showing 1 - 8 results of 8 for search '((ruhr OR ruhe) OR ((mohr OR rohr) OR (mohn OR bohn)))', query time: 0.05s Refine Results
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    Book Chapter
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    by Siegert, Richard
    Published 1986
    Book
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  8. 8
    by Baumann, Arnulf H.
    Published 1985
    Book