3Doucette W R. Influences on member commitment to group purchasing organizations[J]. Journal of Business Research, 1997,40 : 183- 189.
4Zentes J, Swoboda B. Allied groups on the road to complex networks[J]. Technology in Society, 2000, 22:133-150.
5Quayle M. Purchasing in small firms[J]. European Journal of Purchasing & Supply Management, 2002, 8:151-159.
6Rozemeijer F. Creating corporate advantage in purchasing [D]. Technical University of Eindhoven, 2000.
7Johnson P F. The pattern of evolution in public sector purchasing consortia[J], International Journal of Logistics Research and Applications, 1999,2 : 57- 73
8Essig M. Purchasing consortia as symbiotic relationships: developing the concept of consortium sourcing [J]. European Journal of Purchasing and Supply Management, 2000,6 : 13- 22.
9Tella E,Virolainen V M. Motives behind purchasing consortia[J]. International Journal of Production Economics, 2005,93/94 : 161- 168.
10Heijboer G. Mathematical and statistical analysis of initial purchasing decisions[D].University of Twente, 2003.