Hanks, L. F., & Swanson, C. W. (1967). Lumber grade yields from paper birch and balsam poplar logs in the Susitna River Valley, Alaska. Pacific Northwest Forest and Range Experiment Station, Institute of Northern Forestry, U.S. Dept. of Agriculture.
Chicago Style (17th ed.) CitationHanks, Leland F., and Carl W. Swanson. Lumber Grade Yields from Paper Birch and Balsam Poplar Logs in the Susitna River Valley, Alaska. Juneau, Alaska: Pacific Northwest Forest and Range Experiment Station, Institute of Northern Forestry, U.S. Dept. of Agriculture, 1967.
MLA (9th ed.) CitationHanks, Leland F., and Carl W. Swanson. Lumber Grade Yields from Paper Birch and Balsam Poplar Logs in the Susitna River Valley, Alaska. Pacific Northwest Forest and Range Experiment Station, Institute of Northern Forestry, U.S. Dept. of Agriculture, 1967.