q=by+%28United+States%29P.E.Popovby+%28United+States%29P.S.Timoshenko&searchType=standard&isFacet=true&view=standard&rows=10&sortWay=score&sortOrder=desc&searchWay0=marc&logical0=AND
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by (United States)P.E.Popovby (United States)P.S.Timoshenko
