Crouch, G. L., & Radwan, M. A. (1981). Effects of nitrogen and phosphorus fertilizers on deer browsing and growth of young Douglas-fir. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station.
Chicago Style (17th ed.) CitationCrouch, Glenn LeRoy, and M. A. Radwan. Effects of Nitrogen and Phosphorus Fertilizers on Deer Browsing and Growth of Young Douglas-fir. [Portland, Or.?]: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1981.
MLA (9th ed.) CitationCrouch, Glenn LeRoy, and M. A. Radwan. Effects of Nitrogen and Phosphorus Fertilizers on Deer Browsing and Growth of Young Douglas-fir. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1981.