Harvesting timber crops /
Wackerman, A. E.
Harvesting timber crops / A. E. Wackerman, W. D. Hagenstein, A. S. Michell. - New York : McGraw-Hill, 1966. - xii, 540 p. ill.
Logging--vocational guidance.
Harvesting--technique.
Harvesting timber crops / A. E. Wackerman, W. D. Hagenstein, A. S. Michell. - New York : McGraw-Hill, 1966. - xii, 540 p. ill.
Logging--vocational guidance.
Harvesting--technique.