Difeng published the paper on Head motions in which venue?
In which venue did Yu publish the paper about Head motions?
SELECT DISTINCT ?answer WHERE { <https://dblp.org/rec/conf/vr/YuLZX19> <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/229/0012> . <https://dblp.org/rec/conf/vr/YuLZX19> <https://dblp.org/rdf/schema#publishedIn> ?answer }
<https://dblp.org/pid/229/0012> <https://dblp.org/rec/conf/vr/YuLZX19>