Chú thích Nhóm_platin

  1. 1 2 Renner, H.; Schlamp, G.; Kleinwächter, I.; Drost, E.; Lüschow, H. M.; Tews, P.; Panster, P.; Diehl, M. và đồng nghiệp (2002). “Platinum group metals and compounds”. Ullmann's Encyclopedia of Industrial Chemistry. Wiley. doi:10.1002/14356007.a21_075. 
  2. ↑ Harris, D. C.; Cabri L. J. (1991). “Nomenclature of platinum-group-element alloys; review and revision”. The Canadian Mineralogist 29 (2): 231–237. 
  3. ↑ Rollinson, Hugh (1993). Using Geochemical Data: Evaluation, Presentation, Interpretation. Longman Scientific and Technical. ISBN 0-582-06701-4.