1. See, e.g., KH2PO4-type Ferro- and Antiferroelectrics, Ferroelectrics 71 (1987) (special issues)
2. See, e.g., KH2PO4-type Ferro- and Antiferroelectrics, Ferroelectrics 72 (1987) (special issues)
3. Hidden nature of the high-temperature phase transitions in crystals of KH2PO4-TYPE : Is it a physical change ?
4. E. Miller, T. Land, P. Whitman, UCRL-ID-142259, Lawrence Livermore National Laboratory, Livermore, CA, 2001
5. High-temperature transformation in KH2PO4and RbH2PO4crystals