K. Brinker, G. Antos, W. Heinemann, and S. Sager (Eds.) Handbücher zur Sprach- und Kommunikationswissenschaft / Handbooks of Linguistics and Communication Science de Gruyter, Berlin, (2001)
S. Seneff, R. Lau, and J. Polifroni. Proceedings of the Sixth European Conference on Speech Communication and Technology (Eurospeech'99), Budapest, Hungary, page 1271--1274. (1999)
S. Seneff, E. Hurley, R. Lau, C. Pao, P. Schmid, and V. Zue. Proceedings of the 5th International Conference on Spoken Language Processing (ICSLP'98), Sydney, Australia, page 931-934. (1998)
S. Oviatt, A. De Angeli, and K. Kuhn. Proceedings of ACL/EACL-97 SIGMEDIA Workshop on Referring Phenomena in a Multimedia Context and their Computational Treatment, Madrid, Spain, (1997)