Busing, Richard T. Modeling the Population Dynamics of Pacific yew. Research Note PNW-RN-515 / Richard T. Busing, Thomas A. Spies. -- 1.vyd. -- Portland : U.S.Department of Agriculture, Forest Service, Pacific Northwest Research Station, 1995. -- 13 s.: 12 obr., 3 tab.

I. Spies, Thomas A.
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