A GRASPTM for a difficult single machine scheduling problem, . - Thomas A. Feo; Krishnamurthi Venkatraman; Jonathan F. Bard (Comput. Oper. Res., 1991)

Single machine scheduling with flow time and earliness penalties. - Jonathan F. Bard; Krishnamurthi Venkatraman; Thomas A. Feo (J. Glob. Optim., 1993)