1. Anonymous, 1982. Normales climatiques au Canada. V.2: Température, 306 pp. V.3: Précipitations, 602 pp. Environnement Canada, Service de l'environnement atmosphérique.
2. Baldwin, W. K. W. (ed.), 1962. Report on botanical excursion to the boreal forest region in northern Quebec and Ontario. National Museum of Canada, Ottawa, Ont. 170 pp.
3. Bergeron, Y. & Bouchard, A., 1984. Use of ecological groups in the analysis and classification of plant communities in a section of western Québec. Vegetatio 56: 45?63.
4. Bergeron, Y., Bouchard, A., Gangloff, P. & Camiré, C., 1983. La classification écologique des milieux forestiers d'une partie des cantons d'Hébécourt et de Roquemaure en Abitibi, Québec. Etudes écologiques 9. Université Laval, Québec. 169 pp.
5. Blais, J. R., 1983. Trends in the frequency, extent, and severity of spruce budworm outbreaks in eastern Canada. Can. J. For. Res. 13: 539?547.