@Article{alonso2007, author = "E. Herrera-Viedma and F. Chiclana and F. Herrera and S. Alonso", title = "Group Decision-Making Model with Incomplete Fuzzy Preference Relations Based on Additive Consistency", journal = "IEEE Transactions on Systems, Man and Cybernetics, Part B, Cybernetics", year = "2007", volume = "37", number = "1", pages = "176--189", }