Canadian Forest Service Publications
Tree measurements on large-scale, vertical, 70 mm. air photographs. 1964. Kippen, F.W.; Sayn-Wittgenstein, L. Government of Canada, Department of Forestry, Forest Research Laboratory, Ontario Region, Ottawa, Ontario. Department of Forestry Publication 1053. 16 p.
Available from: Northern Forestry Centre
Catalog ID: 24588