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Certification of sustainable forest management systems:The importance of field verification
- Hughes, R.N. Certification of sustainable forest management systems:The importance of field verification / R. Hughes. -- 1.vyd.
In The Forestry Chronicle. -- Vol.72, No.6, November/December (1996), s. 1-3 . obr.
I. The Forestry Chronicle. -- Vol.72, No.6, November/December (1996), s. 1-3 . obr.
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