Editorial

TECHNICAL PAPERS

Y.Y.Gerasimov, V.S.Siounev
Harvest Crane Key Parameters:
Optimization in European Russian Pines.
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T. Gullberg
A Deductive Time Consumption Model for Loading Shortwood
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J. Johansson
Small Tree Harvesting with a Farm Tractor and Crane Attached to the Front
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M. Shiba
Measuring the Efficiency of Managerial and Technical Performances in Forestry Activities by Means of Data Envelopment Analysis(DEA)
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Y. Suzuki, E.S. Miyata and S.C. Iverson
Static Equilibrium of the Triangular Running Skyline System:
A Three Dimensionally Movable Cable System
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TECHNICAL REVIEW

P.M. Kirk, J.S. Byers, R.J. Parker and M.J. Sullman
Mechanisation Developments Within the New Zealand Forest Industry: The Human Factor
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