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ISSN:0377-2217|100|1|192-215

Elsevier‎(1997)‎

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By Winkler D.   Caulkins J.P.   Behrens D.A.   Tragler G.   in Socio-Economic Planning Sciences

ISSN:0038-0121|38|1|43-56

Elsevier‎(2004)‎

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By Behrens D.   in British Corrosion Journal

ISSN:0007-0599|10|3|122-127

Maney Publishing‎(1975)‎

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