1. Anlauf, K., Barrie, L.A., Wiebe, H.A. and Fellin, P.: 1980, Major ion concentrations in atmospheric particulates sampled in eastern Canada, Canadian Research, Feb., 49?53.
2. Anlauf, K.G., Fellin, P., Wiebe, H.A., Schiff, H.I., Mackay, G.I., Braman, R.S. and Gilbert, R.: 1985, Atmospheric Environment, 19, 325.
3. Barrie, L.A., Wiebe, H.A., Anlauf, K. and Fellin, P.: 1980, The Canadian Air and Precipitation Monitoring Network (APN) in Studies in Environmental Science, Vol.8, 355?360, Elsevier Press, Amsterdam.
4. Barrie, L.A.: 1982, Environment Canada's long range transport of atmospheric pollutants program: atmospheric studies, Acid precipitation Effects on Ecological Systems, Ed. F.M. D'Itri, Ann Arbor Science, Michigan, 141?161.
5. Barrie, L.A., Anlauf, K., Wiebe, H.A. and Fellin, P.: 1984, Acidic pollutants in air and precipitation at selected rural locations in Canada, in Deposition Both Wet and Dry, Ed. B.B. Hicks, Acid Precipitation Series, Vol. 4, Series, Ed. J.I. Teasley, Butterworth, London, Toronto.