Fletcher, W.K. Aspects of exploration geochemistry in southeast Asia: soils, sediments and potential for anthropogenic effects - Amsterdam Elsevier Science 1996 - pp. 31-43 tbls. Subjects--Topical Terms: CASITERITALITOGEOQUIMICAMEDIDAS DE PROTECCIÓNMINERALES PESADOSPROSPECCIÓN GEOQUÍMICASEDIMENTOS FLUVIALESSUELOSVEGETACION Subjects--Geographic Terms: ASIA