Wun-Tat Chan Francis Y. L. Chin Deshi Ye Guochuan Zhang Yong Zhang On-line scheduling of parallel jobs on two machines. 3-10 2008 6 J. Discrete Algorithms 1 http://dx.doi.org/10.1016/j.jda.2006.07.005 db/journals/jda/jda6.html#ChanCYZZ08