Jim W. Hall, Jonathan Lawry. Generation, combination and extension of random set approximations to coherent lower and upper probabilities. Rel. Eng. & Sys. Safety, 85(1-3):89-101, 2004. [doi]
@article{HallL04, title = {Generation, combination and extension of random set approximations to coherent lower and upper probabilities}, author = {Jim W. Hall and Jonathan Lawry}, year = {2004}, doi = {10.1016/j.ress.2004.03.005}, url = {http://dx.doi.org/10.1016/j.ress.2004.03.005}, researchr = {https://researchr.org/publication/HallL04}, cites = {0}, citedby = {0}, journal = {Rel. Eng. & Sys. Safety}, volume = {85}, number = {1-3}, pages = {89-101}, }