Soo Y. Chang Hark-Chin Hwang The Worst-case Analysis of the MULTIFIT Algorithm for Scheduling Nonsimultaneous Parallel Machines. 135-147 1999 92 Discrete Applied Mathematics 2-3 http://dx.doi.org/10.1016/S0166-218X(99)00049-9 db/journals/dam/dam92.html#ChangH99