Status of cadmium, lead, cobalt and selenium in soils and plants of thirty countries /
Sillanpää, Mikko.
Food and Agriculture Organization of the United Nations.
Rome : Food and Agriculture Organization,
1992.
"M-52"--T.p. verso.
Includes bibliographical references (p. 179-183).
Soils
Soils
Soils
Soils
Jansson, Håkan.