1. Tree representation of associative structures in semantic and episodic memory research;Abdi,1984
2. On the approximability of numerical taxonomy: Fitting distances by tree metrics;Agarwala,1996
3. Recognition of tree metrics;Bandelt;SIAM Journal of Discrete Mathematics,1990
4. Symmetric matrices representable by weighted trees over a cancellative abelian monoid;Bandelt;SIAM Journal of Discrete Mathematics,1995
5. Statistical inference under order restrictions;Barlow,1972