6Zone C,Jinjer C.Application of the grey system in the planning of the measuring points under the range of the dimensional tolerance of a plane workpiece[J].Computer Integrated Manufacturing,2000,13 (6):555-566.
7Deng Julong.grey information space[J].The Journal of Grey System,1989,1 (2):103-118.
8Deng Julong.The unit of information representation in grey system theory[J].The Journal of Grey System,1991,3(2):87-106.
9Gaipal P,Ganesh L,Rajendran C.Criticality analysis of spare parts using the analytic hierarchy process[J].International Journal of Production Economics,1994,35(35):293-298.
