Fuzzy Social Choice Models - Peter C. Casey, Michael B. Gibilisco, Carly A. Goodman, Kelly Nelson Pook, John N. Mordeson, Mark J. Wierman, Terry D. Clark; A. Goodman, Carly; B. Gibilisco, Michael; D. Clark, Terry; J. Wierman, Mark; N. Mordeson, John; Pook, Kelly Nelson (Springer International Publishing, 2014)