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Behan R.W.(1975)Forestry and the end of innocence Am. For. 81 16-19
[2]
Daniels S.E.(1987)Rethinking dominant use management in the forest-planning era Envirn. Law 17 483-505
[3]
Frivold L.H.(1991)Multiple-use forestry for social values Synen på blandskog genom tiderna 1991 6-10
[4]
Koch N.E.(1991)undefined Ambio 20 330-333
[5]
Kennedy J.J.(undefined)undefined undefined undefined undefined-undefined