Agapashaeva

• As-Cu-S-Yb
• As-Cu-Pb-S
• As-Cu-Eu-S
• As-Cu-S
• Cu-Eu-S-Sb
• structural properties
• phase diagram
• phase transitions
• chalcogen
• transitional
• quaternary
• rare earth
• lanthanoid
• orthorhombic
• cubic
• tetragonal