Marilyn Panayi Walter Van de Velde David M. Roy Ozan Cakmakci Kristiaan De Paepe Niels Ole Bernsen 320-323 http://link.springer.de/link/service/series/0558/bibs/1707/17070320.htm 1999 conf/huc/1999 HUC db/conf/huc/huc1999.html#PanayiVRCPB99