Luby, Michael (ed) & Rolim, José (ed) & Serna, Maria (ed)Symp. Randomization & Approx. Tech. in Comp. Sci. , 1998
Second international workshop on randomization and approximation techniques in computer science, RANDOM '98 Barcelona, Spain, October 8-10, 1998. Proceedings. - Springer Verlag, 1998. - (Lecture Notes in Computer Science; 1518).
Rolim, José (ed)Symp. Randomization & Approx. Tech. in Comp. Sci. , 1997
International workshop on Randomization and approximation techniques in computer science, RANDOM'97, Bologna, Italy July 11-12, 1997. Proceedings. - Springer Verlag, 1997. - (Lecture Notes in Computer Science; 1269).