@Book{024217670, author="Fogedby, Hans C.", title="Theoretical aspects of mainly low dimensional magnetic systems", series="Lecture notes in physics 131", year="1980", publisher="Springer", address="Berlin [u.a.]", keywords="Nuclear magnetism; Mathematical models; Magnetische Ordnung; Heisenberg-Modell; Ising-Modell", note="Hans C. Fogedby", note="Literaturverz. S. 158 - 163", isbn="3540102388", language="English" }