Developing Multimodal Interfaces: A Theoretical Framework and Guided Propagation Networks. - Jean-Claude Martin; R. Veldman; Dominique Béroule (Multimodal Human-Computer Communication, 1995)

A fast algorithm for the transient reward distribution in continuous-time Markov chains. - Henk C. Tijms; R. Veldman (Oper. Res. Lett., 2000)