q=von+dr.-ing.+felix+r%E9%91%9Ftscher+.&searchType=standard&isFacet=true&view=standard&searchWay=author&rows=10&sortWay=score&sortOrder=desc&curlibcode=WHUTL&searchWay0=marc&logical0=AND
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von dr.-ing. Felix R鑟tscher .