Using DIRECT to Solve an Aircraft Routing Problem. - Mike C. Bartholomew-Biggs; Steven C. Parkhurst; Simon P. Wilson 002 (Comput. Optim. Appl., 2002)

Global Optimization - Stochastic or Deterministic? - Mike C. Bartholomew-Biggs; Steven C. Parkhurst; Simon P. Wilson 002 (SAGA, 2003)

Global optimization approaches to an aircraft routing problem. - Mike C. Bartholomew-Biggs; Steven C. Parkhurst; Simon P. Wilson 002 (Eur. J. Oper. Res., 2003)