1. Cha, S.H.: Taxonomy of Nominal Type Histogram Distance Measures, Massachusetts (2008)
2. Mahalanobis, P.C.: On the genaralized distance in statistics (1936)
3. Bhattacharyya, A.: On a measure of divergence between two statistical populations defined by probability distributions, Calcutta (1943)
4. Pollard, D.E.: A user’s guide to measure theoretic probability. Cambridge University Press, Cambridge (2002)
5. Yang, G.L., Le Cam, L.M.: Asymptotics in Statistics: Some Basic Concepts. Springer, Berlin (2000)