Mounira Taileb and  Sid Lamrous and  Sami Touati,  Non-Overlapping Hierarchical Index Structure for Similarity Search.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2008, vol. 13(1). 106 - 112
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/9527.