1. Learning from failure: towards an evolutionary model of collaborative ventures;Ariño;Organization Science,1998
2. Arnold, U., 1996. Cooperation of small and medium-sized companies in the field of purchasing—framework and empirical data. In: NAPM Conference Proceedings, Portland, United States, pp. 87–101.
3. Aylesworth, M.M., 2003. Purchasing consortia in the public sector, models and methods for success. In: ISM Conference Proceedings, Nashville, United States.
4. Bakker, E., Walker, H., Harland, C., Warrington, J., 2006a. The effect of collaborative purchasing structures on managing cooperation. In: IPSERA Conference Proceedings, San Diego, United States.
5. Organising for collaborative procurement: an initial conceptual framework;Bakker,2006