1. W.P. Baritompa, The space of edge-weighted trees is a Euclidean cell for trees with exactly one interior vertex, Report No. UCDMS2003/3, Department of Mathematics and Statistics, University of Canterbury, Christchurch, New Zealand, 2003
2. Geometry of the space of phylogenetic trees;Billera;Adv. in Appl. Math.,2001
3. Topological methods;Björner,1995
4. Oriented Matroids;Björner,1993
5. Inferring Phylogenies;Felsenstein,2004