Which papers did Carlos Cerrada and Pilar Merch\u00E1n write together?
Find the papers written by Carlos Cerrada and Pilar Merch\u00E1n together.
SELECT DISTINCT ?answer WHERE { ?answer <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/28/4557> . ?answer <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/01/2167> }
<https://dblp.org/pid/28/4557> <https://dblp.org/pid/01/2167>