De Maesschalck, R.; Jouan-Rimbaud, D.; Massart, D. L. (2000). "The Mahalanobis distance". Chemometrics and Intelligent Laboratory Systems. 50 (1): 1–18. doi:10.1016/s0169-7439(99)00047-7.
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Mahalanobis, Prasanta Chandra (1936). "On the generalised distance in statistics"(PDF). Proceedings of the National Institute of Sciences of India. 2 (1): 49–55. Retrieved 2016-09-27.