Lardenoije, E.J.H., Van Raaij, E.M. and Van Weele, A.J. (2005), Peformance management models and purchasing: relevance still lost, in Calvi, R. and Merminod,N., Researches in purchasing and supply management, Proceedings of the 14th IPSERA Conference, Archamps, France, pp. 687-697