“The Physical Chemistry of Size and Shape: Beyond the fullerenes”, Joseph S. Shiang, Caroline C. Arnold, Daniel V. Leff, Rolf H. Wolters, Pamela Ohara, and James R. Heath, NATO ASI Series E, Vol 316, The Chemical Physics of Fullerenes 10 (and 5) Years Later, ed. by W. Andreoni p. 461 (1996).