Beckley, Thomas Mark, 1961- Social indicator approaches to assessing and monitoring forest community sustainability / Thomas Mark Beckley, Tracy Marie Burkosky. -- Edmonton : Canadian Forest Service, 1999. -- vi, 13 s. ; 28 cm + 1 vlož. príl. -- (Information report ; NOR-X-360). -- ISBN 0-662-27761-9 : .00. -- ISSN 0704-7673

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502.131.1+17.023.35
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