Find the papers written by Hufford, Kevin D. and Zeleny, M. together.
Which papers did Kevin D. Hufford and Zeleny, M. write together?
SELECT DISTINCT ?answer WHERE { ?answer <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/32/5595> . ?answer <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/73/409> }
<https://dblp.org/pid/32/5595> <https://dblp.org/pid/73/409>