Srivastava, Meenakshi, et al. “Applying Metric Space and Pivot-Based Indexing on Combined Features of Bio-Images for Fast Execution of Composite Queries”.
International Journal of Engineering and Technology, vol. 7, no. 1, Jan. 2018, pp. 110-4,
https://doi.org/10.14419/ijet.v7i1.9009.