R. Nesselrath, и D. Porta. Proceedings of the 7th IJCAI Workshop on Knowledge and Reasoning in Practical Dialogue Systems (KRPDS-11), стр. 37-47. (июля 2011)
D. Porta, D. Sonntag, и R. Neßelrath. Proceedings of the 4th Workshop on Speech in Mobile and Pervasive Environments (SiMPE '09) in conjunction with MobileHCI '09, ACM, (2009)