Leah Reeves, Jennifer C. Lai, James A. Larson, Sharon L. Oviatt, T. S. Balaji, Stéphanie Buisine, Penny Collings, Philip R. Cohen, Ben Kraal, Jean-Claude Martin, Michael F. McTear, T. V. Raman, Kay M. Stanney, Hui Su, Qian Ying Wang. Guidelines for multimodal user interface design. Communications of the ACM, 47(1):57-59, 2004. [doi]
Abstract is missing.