David Birks,Frej Klem (Roskilde University Thomsen Denmark)
(2)
Alison Averis/ Ben Averis/ John Birks/ David Horsfield/ Des Thompson
(1)
Dan Nunan,David F. Birks,Naresh K. Malhotra
(1)
David Birks (EDT)/ Thomas Douglas (EDT)
(1)
David F. Birks/ Tim Macer
(1)