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Submitted on: 08 December 2001.
Revised on: 15 December 2001.
Accepted on: 24 December 2001.
Journal on Multimodal User Interfaces
Submitted on: 14 July 2000.
Revised on: 10 August 2000.
Accepted on: 21 August 2000.
Journal on Multimodal User Interfaces
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Submitted on: 20 August 2005.
Revised on: 31 August 2005.
Accepted on: 07 September 2005.
Journal on Multimodal User Interfaces
Submitted on: 01 February 2007.
Revised on: 22 February 2007.
Accepted on: 16 March 2007.
Journal on Multimodal User Interfaces