81, Chalcogen, Non-disordered, Ge-Se

• S1504089
• P1211032-1
• P1211032-2
• P11504089-1
• P20085930-1
• P20085930-2
• P20085930-3
• P20085930-4
• P20085930-5
• P20085930-6
• P20085930-7
• P20085930-8