1. Advanced Organic Solid State Materials;Palacio,1980
2. F.J. Lázaro, M.C. Morón, J. Reyes, J. Garín and F. Palacio, Solid State Commun., submitted.
3. C. Rillo, F. Lera, A. Badía, J. Bartolomé, F. Palacio, R. Navarro and A.J. van Duyneveldt, to be published.
4. Magnetochemistry;Carlin,1986