1. Limits of the natural environments in terms of pH and oxidation-reduction potentials;Baas Becking;Journal of Geology,1960
2. Biogenic sulfides;Baas Becking;Economic Geology,1961
3. Solubilities and transport of ore minerals;Barnes,1967
4. On the paragenesis of copper ores;Bartholomé;Studia Universitatis ‘Lovanium’, Faculté des Sciences, Leopoldville (Kinshasa),1958
5. Les minerais cupro-cobaltifères de Kamoto (Katanga-Ouest). Pt. I. Pétrographie, Pt. II. Paragenèse;Bartholomé;Studia Universitatis ‘Louvanium’, Faculté des Sciences, Leopoldville (Kinshasa),1962