A. M. Prokhorov / Yu S. Kuz´minov....Ed. Adam Hilger. Hard top. 447 pages. 16 X 24cm. Contents: Perovskite - type ferroelectrics: Single crystals of potassium Niobate. Solid solutions of potassium Tantalate Niobate. Lead Zinc Niobate and Lead Magnesium Niobate Ferroelectrics..