The National Dutch elm disease demonstration program :
the federal summary report 1982.

APA Citation

United States. Forest Pest Management. (1982). The National Dutch elm disease demonstration program: the federal summary report 1982. [Washington, D.C.?]: U.S. Dept. of Agriculture, Forest Service, Forest Pest Management.

MLA Citation

United States. Forest Pest Management. The National Dutch Elm Disease Demonstration Program: the Federal Summary Report 1982. [Washington, D.C.?]: U.S. Dept. of Agriculture, Forest Service, Forest Pest Management, 1982.