q=%2819231963%29Sixma+Frederik+Leonardus+Johannes&searchType=standard&isFacet=true&view=standard&searchWay=author&rows=10&sortWay=score&sortOrder=desc&searchWay0=marc&logical0=AND
rows=10&searchWay0=marc&logical0=AND
(19231963)Sixma Frederik Leonardus Johannes