Chalcogen, Conductor, Oxide, Semiconductor, Transitional, Donor energy

• P1302191-1
• P1302192-1
• P1324522-4
• P1324523-4
• P1711439-6
• P1711440-6
• P1711441-6
• P1100342-1
• P1100342-2
• P1135059-6
• P1301288-7
• P1301288-8
• P1301290-6
• P1301290-7