Chemical speciation of heavy metals in soils by sequential extraction methodHödrejärv, HelviExtended abstracts of the Symposium "Environmental Analyse"1995 / p. 35-41: ill

Co, Ni, Cu and Zn concentration in hair of childern of EstoniaViitak, AnuExtended abstracts of the Symposium "Environmental Analyse"1995 / p. 185-190: ill