Find the years in which the authors of 'Efficient protocols secure against guessing and replay attacks' published other papers.
The authors of 'Efficient protocols secure against guessing and replay attacks' published in which other years?
SELECT DISTINCT ?answer WHERE { <https://dblp.org/rec/conf/icccn/KeungS95> <https://dblp.org/rdf/schema#authoredBy> ?x . <https://dblp.org/rec/conf/icccn/KeungS95> <https://dblp.org/rdf/schema#yearOfPublication> ?y . ?z <https://dblp.org/rdf/schema#authoredBy> ?x . ?z <https://dblp.org/rdf/schema#yearOfPublication> ?answer FILTER (?answer != ?y) }
<https://dblp.org/rec/conf/icccn/KeungS95>