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Résultats 41-42 de 42
[Recording of reactive atmospherical trace elements near damaged respectively endangered forest stands (Basis subject: Determination of certain organic trace elements)]
1990
Schilling, M. (Dortmund Univ. (Germany, F.R.). Inst. fuer Spektrochemie und AngewandteSpektroskopie) | Hoffmann, T. | Klockow, D.
ZB MED Nutrition. Environment. Agriculture - Germany
[Wood biological studies on sanitary measures in Hamburg parks.-Registration of the vitality of beech, oak and lime trees in Hamburg parks]
1988
Gard, W. | Eckstein, D. | Petersen, A. | Bandermann, U.
ZB MED Nutrition. Environment. Agriculture - Germany