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The application of machinery to the floating of bundled timber
Putkisto, K., (1965)
On the timber supply function
Gong, Peichen, (1991)
Standing timber. Jan. 20, 1913
(1913)
Short distance skidding with tractor mounted winches
Timber transport on snow and ice roads
Voronitsin, K.I., (1960)
Description of working methods in forest operations
Venet, J., (1962)