@article {684,
	title = {Oxidant air pollution effects on a western coniferous forest ecosystem},
	volume = {EPA-600/D},
	year = {1982},
	pages = {82-276},
	publisher = {Environmental Protection Agency},
	address = {USA},
	author = {Miller, P.R and Taylor, O.C. and Wilbour, R.G..}
}
@article {1519,
	title = {Suppression of plant growth by nitrogen dioxide.},
	journal = {Plant Physiology},
	volume = {41},
	year = {1966},
	pages = {132-135},
	author = {Taylor, O.C. and Eaton, F.M.}
}
