TY - Generic T1 - Foliage damage in coniferous trees following volcanic ashfall from Mt. St. Helens. Y1 - 1983 A1 - Seymour, V.A. A1 - Hinckley, T.M. A1 - Morikawa, Y. A1 - Franklin, J.F. JF - Oecologia VL - 59 ER -