@article {1935,
	title = {Iron-manganese interactions among clones of nilegrass},
	journal = { Journal of Plant Nutrition},
	year = {1998},
	pages = {987-1009},
	author = {Foy, C. D and Farina, M. P. W and Oakes, A. J}
}
@book {1966,
	title = {Genetic differences in plant tolerance to manganese toxicity},
	series = { Manganese in soils and plants},
	year = {1988},
	pages = {293-307},
	publisher = {Kluwer Publishers},
	organization = {Kluwer Publishers},
	address = {Dordrecht},
	author = {Foy, C. D and Scott, B. J. and Fisher, J. A}
}
@article {1965,
	title = {The physiology of metal toxicity in plants},
	journal = {Annual Review of Plant Physiology},
	year = {1978},
	pages = {511-566},
	author = {Foy, C. D and Chaney, R. L and White, M. C}
}
