@article {1626,
	title = {Foliage damage in coniferous trees following volcanic ashfall  from Mt. St. Helens.},
	volume = {59},
	year = {1983},
	pages = {339-343},
	author = {Seymour, V.A. and Hinckley, T.M. and Morikawa, Y. and Franklin, J.F.}
}
