https://catalogue-scientifique.canada.ca/record=3943788~S6*frc
Rechercher Cissel, J.H; Rechercher Swanson, F.J; Rechercher Grant, G.E; Rechercher Olson, D.H; Rechercher Gregory,S.V; Rechercher Garman, S.L; Rechercher Ashkenas, L.R; Rechercher Hunter, M.G; Rechercher Kertis, J.A; Rechercher Mayo,J.H; Rechercher McSwain, M.D; Rechercher Swetland, S.G; Rechercher Swindle, K.A; Rechercher Wallin, D.O
Pacific Northwest Research Station, U.S. Dept. of Agriculture, Forest Service, 1998
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