1. Frick, B., Loewenhaupt, M.: Z. Phys. B-Condensed Matter63, 225 (1986); will be referred to as part II of the present work
2. Furrer, A. (ed.): Crystal field effects in metals and alloys. New York: Plenum Press 1977
3. Corner, W.D., Tanner, B.K. (eds.): Rare earths and actinides. Institute of Physics Conference Series 37, London 1977
4. Crow, J.E., Guertin, R.P., Mihalisin, T.W. (eds.): Crystalline electric field and structural effects inf-electron systems. New York: Plenum Press 1980
5. Guertin, R.P., Suski, W., Zo?nierek, Z. (eds.): Crystalline electric field effects inf-electron magnetism. New York: Plenum Press 1982