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Imaz, Manuel and Benyon, David (1999) How stories capture interactions. In: Human-Computer Interaction - Interact '99. IOS Press, North Holland. ISBN 0 9673355 0 7

LePlâtre, Grégory and Brewster, Stephen A (1999) Improving the design of telephone-based interfaces. In: INTERACT '99. IOS Press, pp. 45-46. ISBN 978-0-96733-550-6