Crawford, D. M., DeGroot, R. C., & Gjovik, L. R. (1999). Ten-year performance of treated northeastern softwoods in aboveground and ground-contact exposures. United States Department of Agriculture, Forest Service, Forest Products Laboratory.
Chicago Style (17th ed.) CitationCrawford, Douglas M., Rodney C. DeGroot, and Lee R. Gjovik. Ten-year Performance of Treated Northeastern Softwoods in Aboveground and Ground-contact Exposures. Madison, WI: United States Department of Agriculture, Forest Service, Forest Products Laboratory, 1999.
MLA (9th ed.) CitationCrawford, Douglas M., et al. Ten-year Performance of Treated Northeastern Softwoods in Aboveground and Ground-contact Exposures. United States Department of Agriculture, Forest Service, Forest Products Laboratory, 1999.