B-K-O, Chalcogen, Ternary, Khubaeva

• C402445-1
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• C402447-1
• C402448-1
• C402449-1
• C402451-1
• C402450-1
• C402446-1
• C402315-1
• C402314-1
• C402312-1
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• C402310-1
• C402322-1
• C402323-1
• C402316-1
• C402317-1
• C402319-1
• C402320-1
• C402321-1