1973, Chalcogen

• O-V
• O-Ti-V
• Dy-H-O
• H-Ho-O
• Gd-H-O
• structural properties
• electronic and electrical properties
• phase transitions
• magnetic properties
• phase diagram
• chalcogen
• transitional
• non-disordered
• ternary
• disordered
• cubic
• orthorhombic
• monoclinic
• tetragonal
• trigonal