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Unit costs in mechanised harvesting of roundwood by felling method
Unit costs in mechanised harvesting of roundwood by unit, felling method and year -
Unit costs of long-distance transportation of industrial roundwood
Unit costs of long-distance transportation of industrial roundwood by year, transportation method or sequence and unit cost -
Costs in long-distance transportation of industrial roundwood
Costs in long-distance transportation of industrial roundwood by transportation cost and year
