In which year were the first papers of the authors of 'Mobile robot sonar interpretation algorithm for distinguishing trees from poles' published?
When were the first papers of the authors of 'Mobile robot sonar interpretation algorithm for distinguishing trees from poles' published?
SELECT DISTINCT ?answer MIN(xsd:integer(?y)) AS ?y WHERE { <https://dblp.org/rec/journals/ras/GaoH05> <https://dblp.org/rdf/schema#authoredBy> ?answer . ?x <https://dblp.org/rdf/schema#authoredBy> ?answer . ?x <https://dblp.org/rdf/schema#yearOfPublication> ?y }
<https://dblp.org/rec/journals/ras/GaoH05>