1. Sedimentation, economic enrichment and evaluation of heavy mineral concentrations on the southern Oregon continental margin;Bowman,1972
2. Abundances of Pd, Ir, Os and Au in an alpine ultramafic pluton;Crocket,1972
3. Nuclear analytical methods in the production and industrial use of noble metals;Gijbels;European Communities, Eurisotop Office, Rep.,1971
4. Osmium, ruthenium, iridium and uranium in silicates and chromite from the eastern Bushveld Complex, S. Africa;Gijbels;Geochim. Cosmochim. Acta,1974
5. Vergleichende Bemerkungen zum Chemismus der griechischen Chromite;Panagos;Ann. Géol. Pays Helléniques,1967