[ 发表于: Pollution ]
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Evaluation of ozone injury on foliage of black berry (Prunus serotina) and tall milkweed (Asclepias exaltata) in Great Smoky Mountains National Park
1997
Chappelka, A. | Renfro, J. | Somers, G. | Nash, B. (School of Forestry, Auburn University, Auburn, AL 36849 (USA))
Department for Environment, Food and Rural Affairs - United Kingdom