[ Опубликовано в: Pollution ]
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[Manganese sulphate: production method and pollution aspects [feed supplement]]
1992
Christiansen, K.
Det Biovidenska belige Fakultets bibliotek - Denmark
[Heavy metals in selected Danish quarternary soils]
1992
Joergensen, N.O. | Skjernaa, L. | Joergensen, P.R.
Det Biovidenska belige Fakultets bibliotek - Denmark
Changes since 1950 of mineral pools in the upper C-horizon of Swedish deciduous forest soils
1992
Falkengren-Grerup, U. (Lund Univ. (Sweden). Dept. of Plant Ecology) | Tyler, G.
Wageningen University & Research - Netherlands
Evaluation of the sulfur budget of forest ecosystems (Black Forest) by means of stable sulfur isotope analysis. 1. Purpose, background and methods
1992
Giesemann, A. (Giessen Univ. (Germany). Inst. fuer Pflanzenoekologie) | Jaeger, H.J.
ZB MED Nutrition. Environment. Agriculture - Germany
[Registration and analysis of the effects of air pollutants on forest ecosystems, differentiation of other possible causes for the "new" forest damages (Pt. 2)]
1992
Kaendler, G.
ZB MED Nutrition. Environment. Agriculture - Germany