Improved forest and range land productivity through research :
1982 research accomplishments.

APA Citation

United States. Forest Service. (1983). Improved forest and range land productivity through research: 1982 research accomplishments. [Washington, D.C.?]: U.S. Dept. of Agriculture, Forest Service.

MLA Citation

United States. Forest Service. Improved Forest And Range Land Productivity Through Research: 1982 Research Accomplishments. [Washington, D.C.?]: U.S. Dept. of Agriculture, Forest Service, 1983.

Warning: These citations may not always be complete (especially for serials).