Citation: A. Muller et al., Giant metal-oxide-based spheres and their topology: from pentagonal building blocks to keplerates and unusual spin systems, COORD CH RE, 222, 2001, pp. 193-218
Citation: S. Bocker et Awm. Dress, Recovering symbolically dated, rooted trees from symbolic ultrametrics (vol 138, pg 105, 1998), ADV MATH, 144(1), 1999, pp. 117-118