Canadian Forest Service Publications
Accuracy of aerial sketch mapping estimates of spruce budworm defoliation in New Brunswick. 1997. MacLean, D.A.; MacKinnon, W.E. Page 25 in J. Régnière and J. Delisle, Compilers. Proceedings of the 17th Eastern Spruce Budworm Research Work Conference, April 2-3, 1997, Quebec, Quebec. Natural Resources Canada, Canadian Forest Service, Atlantic Forestry Centre, Quebec, Quebec.
Available from: Atlantic Forestry Centre
Catalog ID: 6311