TY - BOOK AU - Jansson, Hakan AU - Sillanpaa, Mikko TI - Status of cadmium, lead, cobalt and selenium in soils and plants of thirty countries SN - 9251032386 U1 - 572.515 21st ed. PY - 1992/// CY - Rome PB - Food and Agriculture Organization of the United Nations KW - Soil chemistry KW - Soils-Cadmium content KW - Soils-Composition ER -