Vit. artikkel
Metal levels in some refuse dump soils and plants in Ghana
Agyarko, K.; Darteh, E.; Berlinger, Balazs
Plant, Soil and Environment (Praha) Plant, Soil and Environment (Praha) 56(5): 244–251
http://www.agriculturejournals.cz/publicFiles/19990.pdf
Plant, Soil and Environment (Praha) Plant, Soil and Environment (Praha) 56(5): 244–251
http://www.agriculturejournals.cz/publicFiles/19990.pdf
Lukk