q=a+presentation+by+hans+k.+schaefer.&searchType=standard&isFacet=true&view=standard&searchWay=author&rows=10&sortWay=score&sortOrder=desc&curlibcode=WHUTL&searchWay0=marc&logical0=AND
rows=10&curlibcode=WHUTL&searchWay0=marc&logical0=AND
a presentation by Hans K. Schaefer.