[1] T. Berger: Rate Distortion Theory. Prentice Hall, N. J., 1971. MR 0408988

[2] R. G. Callager: Information Theory and Reliable Communication. Wiley, N. Y. 1968.

[3] J. T. Pinkston: An Application of Rate Distortion Theory to a Converse to the Coding Theorem. IEEE Trans. Information Theory IT-15 (1969), 56-61. MR 0246694 | Zbl 0167.18001

[4] C. E. Shannon: Coding Theorems for a discrete source with a fidelity criterion. Tn: Information and Decision Processes (Ed. R. E. Machol). McGraw Hill, N. Y. 1960. MR 0122612

[5] B. D. Sharma J. Mitter Y. D. Mathur: Geometric Measure of Distortion. Statistica. XXXIII (1973) 4, 589-597 (Bologna). MR 0465528

[6] B. D. Sharma Y. D. Mathur J. Mitter: Bounds on the Rate-distortion function for geometric measure of distortion. Revue Francaise d'Automatique, Informatique et Recherche Operationnelle (1973), R-2, 29-38. MR 0384332