Plný text je přístupný pouze z počítačů Ostravské univerzity
Mode of access: Internet from the RNGR Web site. Address as of 01/12/07: http://www.rngr.net/Publications/fnn; current access is available via PURL.
Issued by: United States, Forest Service, State and Private Forestry, Cooperative Forestry, 1993; by: United States Dept. of Agriculture, Pacific Northwest Region, State and Private Forestry, Cooperative Programs, 1994-
Description based on: Jan. 1993; title from title screen (viewed Nov. 19, 2005).