Was a paper not not co-authored by Megson, Graham M. and Khaled J. Hammad?
Didn't Megson, Graham M. and Khaled J. Hammad not co-author a paper?
ASK { ?x <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/m/GrahamMMegson> . ?x <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/131/1870> }
<https://dblp.org/pid/m/GrahamMMegson> <https://dblp.org/pid/131/1870>