1976, Chalcogen

• O-V
• O-Ti
• Nb-Se
• Fe-S
• N-S
• structural properties
• electronic and electrical properties
• phase transitions
• magnetic properties
• phase diagram
• chalcogen
• transitional
• non-disordered
• ternary
• disordered
• cubic
• orthorhombic
• monoclinic
• trigonal
• tetragonal