Age of wood :
extending the timber resource.
APA Citation
Forest Products Laboratory (U.S.). (1979). Age of wood: extending the timber resource. [Madison, Wisc.]: U.S. Dept. of Agriculture, Forest Service, Forest Products Laboratory.
MLA Citation
Forest Products Laboratory (U.S.). Age of Wood: Extending the Timber Resource. [Madison, Wisc.]: U.S. Dept. of Agriculture, Forest Service, Forest Products Laboratory, 1979.
Warning: These citations may not always be complete (especially for serials).