PUBLICATIONS Books Papers 1996- Papers 1991-1995 Technical Reports Completed PhD Theses Copyright The documents contained in these directories are included by the contributing authors as a means to ensure timely dissemination of scholarly and technical work on a non-commercial basis. Copyright and all rights therein are maintained by the authors or by other copyright holders, notwithstanding that they have offered their works here electronically. It is understood that all persons copying this information will adhere to the terms and constraints invoked by each author's copyright. These works may not be reposted without the explicit permission of the copyright holder. Last updated: Novembre 8, 1999, by H. F. restrepo Logic Systems Laboratory, http://lslwww.epfl.ch