1. The use of ionization potentials. I. Ionic radii of the elements;Ahrens;Geochim. Cosmochim. Acta,1952
2. Characteristics of leached capping and techniques of appraisal;Anderson,1982
3. Pb and S isotope signature in weathered terrains;Andrew,1983
4. Evaluation of copper–zinc gossans in southern Africa;Andrew;Trans. Inst. Min. Metall.,1977
5. Supergene alteration and gossan textures of base-metal ores in southern Africa;Andrew;Miner. Sci. Eng.,1980