National Research Council (U.S.). Committee on U.S. Geological Survey Water Resources Research. (1997). Watershed research in the U.S. Geological Survey. National Academy Press.

National Research Council (U.S.). Committee on U.S. Geological Survey Water Resources Research. Watershed Research in the U.S. Geological Survey. Washington, D.C.: National Academy Press, 1997.

National Research Council (U.S.). Committee on U.S. Geological Survey Water Resources Research. Watershed Research in the U.S. Geological Survey. National Academy Press, 1997.