1. Proceedings of the Symposium on Ferromagnetic and High-Spin Molecular Based Materials at the 197th American Chemical Society Meeting, J. S. Miller and D. A. Dougherty (Eds), Mol. Cryst. Liq. Cryst., 176, 1 (1989), and references cited therein.
2. Proceedings of the North Atlantic Treaty Organization Advanced Research Workshop on Magnetic Molecular Materials at Il Ciocco, Lucca, Italy, 28 October-2 November, 1990, to be published.