A. Cano, F. Cozman, T. Lukasiewicz (ed.):
"Special Issue on Imprecise Probabilities, International Journal of Approximate Reasoning 44 (3).";
Elsevier Science Publishers, Amsterdam, The Netherlands, 2007, ISSN: 0888-613x; 190 pages.
http://dx.doi.org/10.1016/j.ijar.2006.09.001