Who are the authors that published papers about Interface tool in ICRA in 1999?
In the year 1999 in ICRA, who are the authors that published research papers about Interface tool?
SELECT DISTINCT ?answer WHERE { <https://dblp.org/rec/conf/icra/GowdyB99> <https://dblp.org/rdf/schema#authoredBy> ?answer . <https://dblp.org/rec/conf/icra/GowdyB99> <https://dblp.org/rdf/schema#publishedIn> 'ICRA' . <https://dblp.org/rec/conf/icra/GowdyB99> <https://dblp.org/rdf/schema#yearOfPublication> '1999' }
<https://dblp.org/rec/conf/icra/GowdyB99>