Who are the authors of 'Wissensrepr\u00E4sentation und Wissensakquisition - Einf\u00FChrung' and which other papers did they publish?
List the authors of 'Wissensrepr\u00E4sentation und Wissensakquisition - Einf\u00FChrung' and the other papers they published.
SELECT DISTINCT ?firstanswer ?secondanswer WHERE { <https://dblp.org/rec/conf/wi/Heyer86a> <https://dblp.org/rdf/schema#authoredBy> ?firstanswer . ?secondanswer <https://dblp.org/rdf/schema#authoredBy> ?firstanswer FILTER (?secondanswer != <https://dblp.org/rec/conf/wi/Heyer86a>) }
<https://dblp.org/rec/conf/wi/Heyer86a>