1. Abee, A. and Lavender, D. (1972). Nutrient cycling in throughfall and litterfall in 450 year-old Douglas Fir stands. In “Research on Coniferous Forest Ecosystems First Year Progress in the Coniferous Forest Biome” (Eds J. F. Franklin, L. J. Dempster and R. H. Waring), pp. 133–143. US/IBP, Proc. Symp. Northwest Scientific Association, Pacific Northwest Forest Experiment Station, Forest Service, USDA, Portland, Oregon.
2. Effects of acid precipitation on coniferous forest;Abrahamsen,1976
3. Rainfall leaching of some elements from tree crowns, forest litter and soils in the Central Russian forest-steppe;Akhtyrtsev;Biol. Nauki (Mosc.),1975
4. Herbaceous response to canopy cover, light intensity and throughfall precipitation in coniferous forests;Anderson;Ecology,1969
5. Barrier island forest ecosystem: role of meteorologic nutrient inputs;Art;Science,1974