Skidding by horse and by tractor - Czereyski, K.; Food and Agriculture Organization of the United Nations. Europena Forestry Commission; International Labour Organization(Geneva); United Nations. Economic Commission for Europe. Timber Committee; Joint Committee on Forest Working Techniques and Training of Forest Workers (Geneva : ILO, 1964)
At the head of title page : Economic Commission for Europe, Timber Committee;Food and Agriculture Organization of the United Nations,Europena Forestry Commission
Keywords: Tractors; Tractors -- Fuel systems; Tractors -- Maintainance and repair