Philip R. Cohen, Sharon L. Oviatt. Multimodal speech and pen interfaces. In Sharon L. Oviatt, Björn W. Schuller, Philip R. Cohen, Daniel Sonntag, Gerasimos Potamianos, Antonio Krüger, editors, The Handbook of Multimodal-Multisensor Interfaces: Foundations, User Modeling, and Common Modality Combinations - Volume 1. pages 403-447, ACM, 2017. [doi]
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