H. Colonius and H. H. Schultze, Trees constructed from empirical relations, Braunschweiger Berichte aus dem Institut für Psychologie 1, 1977.

H. Colonius and H. H. Schultze, Tree structures for proximity data, British Journal of Mathematical and Statistical Psychology, vol.34, issue.2, pp.167-180, 1981.
DOI : 10.1111/j.2044-8317.1981.tb00626.x

A. Dress, K. T. Huber, J. Koolen, V. Moulton, and A. Spillner, Basic phylogenetic combinatorics, 2011.
DOI : 10.1017/CBO9781139019767

A. Dress, K. T. Huber, and M. Steel, ???Lassoing??? a phylogenetic tree I: basic properties, shellings, and covers, Journal of Mathematical Biology, vol.66, issue.6, pp.77-105, 2011.
DOI : 10.1007/s00285-011-0450-4

A. Guénoche, B. Leclerc, and V. Markarenkov, On the extension of a partial metric to a tree metric, Discrete Mathematics, vol.276, issue.1-3, pp.229-248, 2004.
DOI : 10.1016/S0012-365X(03)00294-2

M. J. Sanderson, M. M. Mcmahon, and M. Steel, Phylogenomics with incomplete taxon coverage: the limits to inference, BMC Evolutionary Biology, vol.10, issue.1, p.155, 2010.
DOI : 10.1186/1471-2148-10-155

D. A. Welsh, Matroid theory, 1976.