Canadian Forest Service Publications
The use of aircraft in forest insect control (Part I). Introduction, history, aerial surveys, and application of insecticides. 1955. Balch, R.E.; Webb, F.E.; Fettes, J.J. For. Abst. 16: 453-465.
Issued by: Atlantic Forestry Centre
Catalog ID: 6948
Availability: Order paper copy (free)