Michel Grabisch Christophe Labreuche How to Improve Acts: An Alternative Representation of the Importance of Criteria in MCDM. 145-158 2001 9 International Journal of Uncertainty, Fuzziness and Knowledge-Based Systems 2 http://dx.doi.org/10.1142/S0218488501000697 db/journals/ijufks/ijufks9.html#GrabischL01