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Résultats 101-110 de 325
Fine root studies in situ and in the laboratory
1990
Wollmer, H. | Kottke, I. (Institut fur Botanik, Universitat Tubingen, W-7400 Tubingen 1 (Germany))
Structural changes in spruce and fir needles
1990
Schmitt, U. | Ruetze, M. (Institute for Wood Biology and Wood Protection, Federal Research Centre for Forestry and Forest Products, W-2050 Hamburg 80 (Germany))
Physiology of young Norway spruce
1990
Bermadinger, E. | Guttenberger, H. | Grill, D. (Institut fur Pflanzenphysiologie der Karl-Franzens-Universitat Graz, 8010 Graz (Austria))
Effect of ozone on growth of mosses on disturbed forest soil
1990
Stanosz, G.R. | Smith, V.L. | Bruck, R.I. (Department of Plant Pathology, North Carolina State University, Box 7616, Raleigh, NC 27695-7616 (USA))
Environmental pollution control alternatives | Drinking water treatment for small communities
1990
Constructed wetlands in water pollution control
1990
Cooper, P. F. (Paul F) | Findlater, B. C.
Ground water pollution potential of Portage County, Ohio
1990
Angle, Michael P.
Pollution and the environmental law
1990
Shastri, Satish
The state of transboundary air pollution: 1989 update
1990
Using seabirds to monitor mercury in marine environments. The validity of conversion ratios for tissue comparisons
1990
Thompson, D.R. | Stewart, F.M. | Furness, R.W.
