Brad A. Myers Robert Malkin Michael Bett Alex Waibel Ben Bostwick Robert C. Miller Jie Yang Matthias Denecke Edgar Seemann Jie Zhu Choon Hong Peck Dave Kong Jeffrey Nichols William L. Scherlis Flexi-Modal and Multi-Machine User Interfaces. 343-348 2002 conf/icmi/2002 ICMI http://csdl.computer.org/comp/proceedings/icmi/2002/1834/00/18340343abs.htm db/conf/icmi/icmi2002.html#MyersMBWBMYDSZPKNS02