Johnsson, L. Selenium in Swedish soils. Uppsala: Swedish University of Agricultural Sciences, 1992 21 p. : tab. 91-576-4571-X.
Johnsson, L. Selenium in Swedish soils. Uppsala: Swedish University of Agricultural Sciences, 1992 21 p. : tab. 91-576-4571-X.
Johnsson, L. (1992) Selenium in Swedish soils, Uppsala: Swedish University of Agricultural Sciences 21 p. : tab. 91-576-4571-X.
Johnsson, L. (1992). Selenium in Swedish soils. Factors influencing soil content and plant uptake. Uppsala: Swedish University of Agricultural Sciences, 21 p. : tab.
Johnsson L. Selenium in Swedish soils: Factors influencing soil content and plant uptake. Uppsala: Swedish University of Agricultural Sciences; 1992. p. 21 p. : tab. ISBN: 91-576-4571-X.
