Books by D. A. Graetz:
Books in the extended shelves:
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Graetz, D. A. (Donald Alvin), 1942-: Simulation of nitrogen movement, transformation, and uptake in plant root zone (Athens, Georgia : Environmental Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency, 1978., 1978), also by James M. Davidson, H. Magdi Selim, P. Suresh C. Rao, Robert S. Kerr Environmental Research Laboratory. Source Management Branch, and Ga.). Technology Development and Applications Branch Environmental Research Laboratory (Athens (page images at HathiTrust)
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