Algorithms - ESA 2003 11th Annual European Symposium, Budapest, Hungary, September 16-19, 2003, Proceedings Di Battista Giuseppe Heftet / 2003 / Engelsk
Algorithms and Complexity Third Italian Conference, CIAC'97, Rome, Italy, March 12-14, 1997, Proceedings Bongiovanni Giancarlo Heftet / 1997 / Engelsk
