Investigations of sampling techniques for population studies of the spruce budworm on balsam fir in Ontario.
Contributors: Toronto, Ont. University.
Published: 1951
Place of publication: [Toronto]
Language: eng
Number of pages: 212
Subjects: Balsam fir -- Diseases and pests; Spruce budworm.
Notes: Thesis - University of Toronto.

Bibliography: leaves 160-164.