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1by Landis, T.D. (comp.), Forest Service, Asheville, NC (USA). Southern Research Station eng, Barnett, J.P. (comp.)
Published 1999Texto bibliotecaFAO IT -
2by Barnett, J.P., Department of Agriculture, Washington, DC (USA) eng, Bergman, P.W., Ferguson, L.W., Nash, R.G., Ochs, P.M., Environmental Protection Agency, Washington, DC (USA) eng
Published 1980Texto bibliotecaFAO IT -
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