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ISSN:0264-410X|21|23|3137-3142

Elsevier‎(2003)‎

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By Komen M.H.C.   in International Journal of Environment and Pollution

ISSN:0957-4352|18|5|434-454

Inderscience Publishers‎(2002)‎

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By Komen M.H.C.   Peerlings J.H.M.   in Environmental and Resource Economics

ISSN:0924-6460|14|2|243-268

Springer Publishing Company ‎(1999)‎

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