JMorven : a framework for parallel non-constructive qualitative reasoning and fuzzy interval simulation. - Allan M. Bruce (2007)

Fuzzy Qualitative Reasoning about Dynamic Systems Containing Trigonometric Relationships. - George Macleod Coghill; Honghai Liu 001; Allan M. Bruce; Carol Wisley (Int. J. Uncertain. Fuzziness Knowl. Based Syst., 2011)