Identical parallel-machine scheduling under availability constraints to minimize the sum of completion times.

Racem Mellouli Cherif Sadfi Chengbin Chu Imed Kacem Identical parallel-machine scheduling under availability constraints to minimize the sum of completion times. 1150-1165 2009 197 European Journal of Operational Research 3 http://dx.doi.org/10.1016/j.ejor.2008.03.043 db/journals/eor/eor197.html#MellouliSCK09