Yazar
john t daubert
1 cilt bulundu.
Cilt sonuçları
Economic benefits from instream flow in a Colorado mountain stream
John T. Daubert, Robert A. Young, S. Lee Gray, United States. Office of Water Research and Technology, Colorado State University. Environmental Resources Center · Environmental Resources Center, Colorado State University
149 sayfa · 1979
Rivers / Recreational use / Outdoor recreation / Economic aspects