1. The Principles of Nuclear Magnetism;Abragam,1961
2. Principles of Magnetic Resonance;Slichter,1963
3. Spin Temperature and Nuclear Magnetic Resonance in Solids;Goldman,1970
4. Evidence for Nuclear Antiferromagnetism in Copper
5. G. J. Ehnholm, J. P. Ekström, J. F. Jacquinot, M. T. Loponen, O. V. Lounasmaa and J. K. Soini (to be published).