Pratas, J. Plants growing in abandoned mines of Portugal are useful for biogeochemical exploration of arsenic, antimony, tungsten and mine reclamation - Amsterdam Elsevier Science April 2005 - pp. 99-107 ilus. Subjects--Topical Terms: ANTIMONIOARSENICOINDICADORES BIOGEOQUIMICOSMETALES PESADOSMINAS ABANDONADASPROSPECCION BIOGEOQUIMICATUNGSTENOVEGETACION Subjects--Geographic Terms: PORTUGAL