Which publications did Walter C. Freitas Jr. write with the author from Federal University of Cear\u00E1, Fortaleza, Brazil?
What research papers did Walter C. Freitas Jr. publish with the author affiliated to Federal University of Cear\u00E1?
SELECT DISTINCT ?answer WHERE { ?answer <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/00/3585> . ?answer <https://dblp.org/rdf/schema#authoredBy> ?y . ?y <https://dblp.org/rdf/schema#primaryAffiliation> 'Federal University of Cear\u00E1, Fortaleza, Brazil' }
<https://dblp.org/pid/00/3585>