By Kukkonen J.   Harkonen J.   Valkonen E.   Karppinen A.   Rantakrans E.   in International Journal of Environment and Pollution

ISSN:0957-4352|8|3-4|782-788

Inderscience Publishers‎(2009)‎

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By Valkonen E.   Harkonen J.   Kukkonen J.   Rantakrans E.   Jalkanen L.   Haarala S.   in International Journal of Environment and Pollution

ISSN:0957-4352|5|4-5|557-566

Inderscience Publishers‎(1995)‎

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By Harkonen J.   Valkonen E.   Kukkonen J.   Rantakrans E.   Jalkanen L.   Lahtinen K.   in International Journal of Environment and Pollution

ISSN:0957-4352|5|4-5|602-610

Inderscience Publishers‎(1995)‎

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