WASET
    Luciano Nieddu and  Giuseppe Manfredi,  A Constrained Clustering Algorithm for the Classification of Industrial Ores.   journal   = {International Journal of Industrial and Manufacturing Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2010, vol. 46(10). 1113 - 1117
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/15142.