Yazar
Deborah A Layton
1 cilt bulundu.
Cilt sonuçları
Cost estimators for construction of forest roads in central Appalachians
Deborah A Layton · U.S. Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station
Sayfa sayısı yok · 1992
Mathematical models / Costs / Design and construction / Rural roads / Forest roads