G. Huet, G. Kahn, and C. Paulin-mohring, The Coq Proof Assistant: A Tutorial: Version 6.1, INRIA, 1997.
URL : https://hal.archives-ouvertes.fr/inria-00069967

D. A. Huffman, A Method for the Construction of MinimumRedundancy Codes, Proceedings of IRE, pp.1098-1101, 1952.

X. Leroy, Objective Caml

N. Magaud, Changing Data Representation within the Coq System, TPHOLs'03, vol.2758, 2003.
DOI : 10.1007/10930755_6

L. Sterling and E. Shapiro, The Art of Prolog: advanced programming techniques, 1986.

G. K. Wallace, The JPEG Still Picture Compression Standard, Communications of the ACM, vol.34, issue.4, pp.30-44, 1991.
DOI : 10.1145/103085.103089