Formulating a Mixed Integer Programming Problem to Improve Solvability. - Cynthia Barnhart; Ellis L. Johnson; George L. Nemhauser; Gabriele Sigismondi; Pamela H. Vance (Oper. Res., 1993)

MINTO, a mixed INTeger optimizer. - George L. Nemhauser; Martin W. P. Savelsbergh; Gabriele Sigismondi (Oper. Res. Lett., 1994)

A column generation and partitioning approach for multi-commodity flow problems. - Cynthia Barnhart; Christopher A. Hane; Ellis L. Johnson; Gabriele Sigismondi (Telecommun. Syst., 1994)

The fleet assignment problem: Solving a large-scale integer program. - Christopher A. Hane; Cynthia Barnhart; Ellis L. Johnson; Roy E. Marsten; George L. Nemhauser; Gabriele Sigismondi (Math. Program., 1995)