A MODEL FOR LOW-RANGE CADMIUM MIGRATION IN SOILS: PRINCIPLES AND VERIFICATION = UN MODELE DE LA MIGRATION A LONG TERME DU CADMIUM DANS LES SOLS: PRINCIPES ET VERIFICATIONCHRISTENSEN TH.1981; INTERNATIONAL CONFERENCE HEAVY METALS IN THE ENVIRONMENT/1981/AMSTERDAM; GBR; EDINBURGH: C.E.P. CONSULTANTS; DA. 1981; PP. 214-217; BIBL. 4 REF.; 1 TAB. ; TABL.Conference Paper

COMPARISON OF FOUR METHODS FOR DIGESTION OF SEWAGE SLUDGE SAMPLES FOR ANALYSIS OF METALS BY ATOMIC ABSORPTION SPECTROPHOTOMETRYCHRISTENSEN TH; PEDERSEN LR; TJELL JC et al.1982; INT. J. ENVIRON. ANAL. CHEM.; ISSN 0306-7319; GBR; DA. 1982; VOL. 12; NO 1; PP. 41-50; BIBL. 15 REF.Article