Van driessche

• Ce-La-O
• Ca-Er-Mo-O-Yb
• Ce-O-Tb-W
• Ba-Cu-O-Y
• Ba-Cu-O-Y-Zr
• structural properties
• chalcogen
• rare earth
• transitional
• lanthanoid
• alkaline
• cubic
• triclinic
• tetragonal
• monoclinic