Stanislaw Gawiejnowicz Wieslaw Kurc Lidia Pankowska Parallel Machine Scheduling of Deteriorating Jobs by Modified Steepest Descent Search. 116-123 2005 conf/ppam/2005 PPAM http://dx.doi.org/10.1007/11752578_15 db/conf/ppam/ppam2005.html#GawiejnowiczKP05