1. Ahmed AH, Arai S (2003) Platinum-group minerals in podiform chromitites of the Oman ophiolite. Can Mineral 41:597–616
2. Biino GG, Meisel T (1993) Geochemistry of polymetamorphic ultramafics (major, trace, noble and rare earth elements): an example from the Helvetic basement (Central Alps, Switzerland). Mineral Petrol 49:189–212
3. Biino GG, Meisel T (1994) Major, trace, noble and rare earth element distribution in polymetamorphic ultramafic rocks (Aar massif, Central Alps, Switzerland). Schweiz Mineral Petrogr Mitt 74:69–86
4. Binde G (1986) Beitrag zur Mineralogie, Geochemie und Genese des Kassiterits. Freiberger Forschungshefte C 411. Deutscher Verlag für Grundstoffindustrie, Leipzig, 60 p
5. Breiter K, Škoda R (2004) Differences in chemistry of magmatic and hydrothermal cassiterite and wolframite from western Krušné hory Mts. Zprávy o geologických výzkumech v roce: 94–96 (in Czech)