[ نُشرت في: Pollution ]
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[Climatic parameters influencing the acid rain of the northern versant of the Belgian High Fagnes]
Alexandre, J. | Erpicum, M. (Liege Univ., Sart-Tilman (Belgium). Lab. de Geographie Physique et de Climatologie)
University of Liège - Belgium
[Direct contamination by humid deposits on Picea omorika (Pancic) Purkyne stands in Belgium]
Myttenaere, C. | Hauzeur, J. (Universite Catholique de Louvain, Louvain-la-Neuve (Belgium). Lab. de Physiologie Vegetale)
University of Liège - Belgium
[Necroses phenology and counting in healthy and diseased spruce stands, field surveys [in Belgium; Hertogenwald]. Morphological and histological aspects of air pollution on spruce needles]
Hanotiaux, G. | Praag, H.J. van (Faculte des Sciences Agronomiques de l'Etat, Gembloux (Belgium). Lab. de la Science du Sol) | Waterkeyn, L. | Albert, A. | Andre, P. | Weissen, F.
University of Liège - Belgium