Hard, J. S., and E. H. Holsten. 1985. Managing white and Lutz spruce stands in south-central Alaska for increased resistance to spruce beetle. United States Department of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, Portland, Oregon, General Technical Report PNW-188. ii + 21 p.
Hard & Holsten 1985
Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
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