Biodiversity Heritage Library
By "Cass, James. "
Statistical analysis of balloon logging time and motion data /
By: Hartsog, William S. - Cass, James. - Intermountain Forest and Range Experiment Station (Ogden, Utah)
Publication info: Ogden, Utah :Intermountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture,1979.
Holding Institution: U.S. Department of Agriculture, National Agricultural Library