q=by+Charles+E.+Olken+and+Earl+G.+Singer.&searchType=standard&isFacet=true&view=standard&rows=10&sortWay=score&sortOrder=desc&curlibcode=LT&searchWay0=marc&logical0=AND
rows=10&curlibcode=LT&searchWay0=marc&logical0=AND
by Charles E. Olken and Earl G. Singer.