1. New Brunswick precipitation monitoring network: annual data report-1990;Albin,1992
2. Trend analysis of sulfate, nitrate, and pH data collected at National Atmospheric Deposition Program/National Trends Network stations between 1980 and 1991;Baier,1993
3. Programme d'Échantillon-nage des Precipitations du Quebec: Sommaire des Données de la Quality des Eaux de Precipitations 1990;Boulet,1993
4. Canadian air and precipitation monitoring network precipitation chemistry data summary;Capmon,1987-1989
5. Spatial Processes: Models and Applications;Cliff,1981