David P. Bunde, Yishay Mansour. Improved combination of online algorithms for acceptance and rejection. In Phillip B. Gibbons, Micah Adler, editors, SPAA 2004: Proceedings of the Sixteenth Annual ACM Symposium on Parallel Algorithms, June 27-30, 2004, Barcelona, Spain. pages 265-266, ACM, 2004. [doi]