Letter to the Editor - An Ordering Policy for Stock Items when Delivery Can be Expedited. - S. G. Allen; D. A. D'Esopo (Oper. Res., 1968)

Technical Note - Comments on a Paper by S. G. Allen and D. A. D'Esopo: "An Ordering Policy for Repairable Stock Items". - Richard M. Simon; D. A. D'Esopo (Oper. Res., 1971)