Lagrangean heuristics for vehicle routing. - Janice Sheasby (1996)

Extensions to the generalised assignment heuristic for vehicle routing. - Barrie M. Baker; Janice Sheasby (Eur. J. Oper. Res., 1999)

Accelerating the convergence of subgradient optimisation. - Barrie M. Baker; Janice Sheasby (Eur. J. Oper. Res., 1999)