Blar i Program for industriell økologi på forfatter "Michelsen, Ottar"
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Biodiversity indicators and environmental performance evaluations. Outline of a methodology: Outline of a methodology
Michelsen, Ottar (Reports from Industrial Ecology Programme (IndEcol), 1501-6153; 2004:3, Research report, 2004) -
Perspektiver ved en bærekraftig næringsutvikling i Jämtland og Trøndelag
Michelsen, Ottar; Malvik, Ingvild Vaggen (Reports from Industrial Ecology Programme (IndEcol), 1501-6153; 2001:4, Research report, 2001)