Yazar
g k vinogorov
1 cilt bulundu.
Cilt sonuçları
Logging-by-helicopter trials in the USSR
G. K. Vinogorov, United Nations. Economic Commission for Europe. Timber Committee, European Forestry Commission, Joint FAO/ECE/ILO Committee on Forest Working Techniques and Training of Forest Workers, International Labour Organisation · Joint Committee on Forest Working Techniques and Training of Forest Workers
Sayfa sayısı yok · 1961
Logging / Helicopters