P. Falster,A. Rolstadas,International Workshop on Automation of Production Planning and Control.International Workshop on Automation of Production Planning and Control (1980 : Trondheim)：Production management systems; proceedings jof the IFIP TC-5 International Workshop.North-Holland,1981.
International Workshop on Automation of Production Planning and Control (1980 : Trondheim)：Production management systems; proceedings jof the IFIP TC-5 International Workshop
P. Falster,A. Rolstadas,International Workshop on Automation of Production Planning and Control.North-Holland,1981.
