Amotz Bar-Noy Richard E. Ladner Tami Tamir Tammy VanDeGrift Windows scheduling of arbitrary length jobs on parallel machines. 56-65 2005 conf/spaa/2005 SPAA http://doi.acm.org/10.1145/1073970.1073980 db/conf/spaa/spaa2005.html#Bar-NoyLTV05