Michel Beaudouin-Lafon Wendy E. Mackay Peter Andersen Paul Janecek Mads Jensen Henry Michael Lassen Kasper Lund Kjeld Høyer Mortensen Stephanie Munck Anne V. Ratzer Katrine Ravn Søren Christensen Kurt Jensen 71-80 2001 conf/apn/2001 ICATPN http://link.springer.de/link/service/series/0558/bibs/2075/20750071.htm db/conf/apn/icatpn2001.html#Beaudouin-LafonMAJJLLMMRRCJ01