S. Schwarz. Modeling and Retrieval of Context, Second International Workshop, MRC 2005, Edinburgh, UK, July 31 - August 1, 2005, Revised Selected Papers, volume 3946 of Lecture Notes in Computer Science, page 18--33. Springer, (2006)
F. Prengel, M. Patra, G. Schwarz, and E. Schöll. Proc. 23rd Int. Conf. Phys. Semicond., Berlin 1996, 3, page 1667--1670. Singapore, World Scientific, (1996)