Nikhil Bansal Ho-Leung Chan Rohit Khandekar Kirk Pruhs Clifford Stein Baruch Schieber Non-Preemptive Min-Sum Scheduling with Resource Augmentation. 614-624 2007 FOCS http://doi.ieeecomputersociety.org/10.1109/FOCS.2007.46 conf/focs/2007 db/conf/focs/focs2007.html#BansalCKPSS07