q=by+%28united+states%29john+c.kotzby+%28united+states%29keith+f.purcellby+%28united+states%29walter+e.williams&searchType=standard&isFacet=true&view=standard&searchWay=author&rows=10&sortWay=score&sortOrder=desc&curlibcode=HYSY ...&searchWay0=marc&logical0=AND
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by (United States)John C.Kotzby (United States)Keith F.Purcellby (United States)Walter E.Williams