7Kuhn H W. The hungarian method for the assignment problem[J]. Naval Res Logist Quart,1955, (2)283-97.
8Pierskalla W P. The multidimensional assignment problem[J ]. Opns Res, 1968,16 : 422-431.
9Aiex R M, Resende M G C, Pardalos P M, Toraldo G. GRASP with path relinking for the three-index assignment problem, Teehnieal report, aeeepted by INFORMS J. on Computing, 2003. http://www, researeh. att. com/-mger/doe/g3index, pdf.
