Yazar
Steven Piper
4 cilt bulundu.
Cilt sonuçları
Economic benefit considerations in selecting water quality projects
Steven Piper · U.S. Dept. of Agriculture, Economic Research Service, Resources and Technology Division
28 sayfa · 1989
Water quality management
Estimating the offsite household damages from wind erosion in the western United States
Steven Piper · U.S. Dept. of Agriculture, Economic Research Service, Resources and Technology Division
21 sayfa · 1989
Economic aspects of Wind erosion / Wind erosion