"Soil" . . "National Swedish Environment Protection Board" . . "Syrning" . . "Lunds Universitet" . . "Luftforurening" . . "Pollution" . . "Jordbund" . . . "Soil acidification, extent, causes and consequences an evaluation of literature information and current research"@en . . . . "Soil acidification, extent, causes and consequences : an evaluation of literature information and current research"@en . . . . . . . . . . . . . . . . . . . . . . . . . . "Soil acidification : extent, causes and consequences. An evaluation of literature information and current research" . . . . . . . . "Soil acidification : extent, causes and consequences : an evaluation of literature information and current research" . . "Sveriges Lantbruksuniversitet" . . "Naturvårdsverket" . . "Acid rain" . . "Soil chemicophysical properties" . . "Skovjorde" . . "Acidification" . . . . "Jordbundens fysisk-kemiske egenskaber" . . "Forurening" . . "Sverige" . . "pH" . . "Sverige Statens naturvårdsverk." . . "Forest soils" . . "Sweden" . . "Sur nedbør" . . "Air pollution" . .