1. Standard methods for the examination of water and wastewater;APHA,1992
2. Changes in Sr/Ca, Ba/Ca and 87Sr/86Sr ratios between trophic levels in two forest ecosystems in the northeastern U.S.A.;Blum;Biogeochemistry,2000
3. The role of event water, a shallow flow component, and catchment size in summer storm flow;Brown;J Hydrol,1999
4. Cappo K, Blume L, Raab G, Bartz J, Engels J. Analytical Method Manual for the Direct/Delayed Response Project Soil Survey. United States Environmental Protection Agency, Environmental Monitoring Systems Laboratory, Office of Research and Development, Las Vegas, NV. 1987; EPA 600/8-87/020.
5. The relative uptake of Ca and Sr into tree foliage using a whole-watershed calcium addition;Dasch;Biogeochemistry,2006