Efremov

• As-Fe-K
• As-Fe-K-Na
• F-Ho-K
• Li-Na-Nb-O-Ta
• In-O-Rb-W
• structural properties
• phase diagram
• phase transitions
• electronic and electrical properties
• chalcogen
• alkali
• transitional
• rare earth
• monoclinic
• trigonal
• tetragonal
• orthorhombic
• cubic