1. Effective Field Theories of Magnetism, Saunders, Philadelphia/London 1966.
2. and , Physics of Non-Crystalline Solids, North-Holland Publ. Co., 1965.
3. and , Proc. Brit. Ceram. Soc., to be published.
4. and , to be published.
5. Nickel Ferrite Thin Films: Microstructures and Magnetic Properties