P. Synak. RSCTC '00: Revised Papers from the Second International Conference on Rough Sets and Current Trends in Computing, page 420--427. London, UK, Springer-Verlag, (2001)
F. Wu, F. Towfic, D. Dobbs, and V. Honavar. BIBM '07: Proceedings of the 2007 IEEE International Conference on Bioinformatics and Biomedicine, page 35. Washington, DC, USA, IEEE Computer Society, (2007)