1. AMEC, 2001. Jack Pine Acid Deposition Monitoring Network site Selection 2000 (No. CE02078). Wood Buffalo Environmental Association.
2. Precipitation chemistry measurement in Alberta;Bertram;Water Air Soil Pollut.,1986
3. Human influence on the sulphur cycle;Brimblecombe,1989
4. Isotope fractionation by natural populations of sulfate-reducing bacteria;Canfield;Geochim. Cosmochim. Acta,2001
5. Coplen, T.B., Hopple, J.A., Böhlke, J.K., Peiser, H.S., Rieder, S.E., Krouse, H.R., Rosman, K.J.R., Ding, T., Vocke, R.D., Revesz, K.M., Lamberty, A., Taylor, P., De Bievre, P., 2002. Compilation of Minimum and Maximum Isotope Ratios of Selected Elements in Naturally Occurring Terrestrial Materials and Reagents. U.S. Geol. Surv. Water-Resour. Invest. Report 01-4222.