Positive impact forestry : a sustainable approach to managing woodlands / McEvoy, Thomas J. Sustainable forestry Forest management Forest ecology 634 I.P 2004 C141 Or. Annotation Washington, DC : Island Press, c2004 c2004 Text xx, 268 p. : http://site.ebrary.com/id/10196539 http://catdir.loc.gov/catdir/toc/ecip0410/2003022406.html http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&doc_number=012813082&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA http://catdir.loc.gov/catdir/enhancements/fy0666/2003022406-d.html