Flora, Donald F. Effects of New Export Rules, a Spotted Owl Plan, and Recession on Timber Prices and Shipments from the Douglas-Fir Region. Research Paper PNW-RP-445 / Donald F. Flora, Wendy J. Macginnis. -- 1.vyd. -- Portland : U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station, 1992. -- 15 s.: 3 obr., 3 tab.

I. Macginnis, Wendy J.
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