1. I. B.
Bersuker
, Electronic Structure and Properties of Transition Metal Compounds, John Wiley & Sons, New York, 1996
2. E. P.
Wohlfarth
, Ferromagnetic Materials: a handbook on the properties of magnetically ordered substances, Elsevier, New York, 1982, vol. 3
3. P. A.
Cox
, Transition Metal Oxides, Oxford University, New York, 1992
4. E. B.
Faulkner
and R. J.Schwartz, High Performance Pigments, Wiley-VCH, Weinheim, 2009
5. G.
Buxbaum
and G.Pfaff, Industrial Inorganic Pigments, Wiley-VCH Verlag GmbH & Co. KGa, Weinheim, 2005