André Trudel and  Haiyi Zhang,  Finding a Solution, all Solutions, or the Most Probable Solution to a Temporal Interval Algebra Network.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    December 2007, vol. 12(12). 3989 - 3993
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/6645.