J. Ducrou. Proceedings of the 15th International Conference on Conceptual Structures (ICCS 2007), volume 4604 of Lecture Notes in Artificial Intelligence, page 496-500. Berlin, Heidelberg, Springer-Verlag, (July 2007)
T. Mizuguchi, J. Matsui, and T. Odagaki. Abstract Book of the XXIII IUPAP International Conference on Statistical Physics, Genova, Italy, (9-13 July 2007)
G. Phye. Educational psychology series Acad. Press, San Diego, 3rd edition, (2002)ed. by Gary D. Phye. Ill., graph. Darst ; 24 cm. Includes bibliographical
references and index..
K&\#252, S., Nzli, F. Poletti, L. Benini, and L. Thiele. DATE '06: Proceedings of the Conference on Design, Automation and Test in Europe, page 236--241. 3001 Leuven, Belgium, Belgium, European Design and Automation Association, (2006)