By Davis J.G.   Sundaram D.   in European Journal of Operational Research

ISSN:0377-2217|87|2|247-256

Elsevier‎(1995)‎

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By Davis J. G.   Gibson A. A. P.   in International Journal of Electronics

ISSN:1362-3060|93|5|335-346

Taylor & Francis Ltd‎(2006)‎

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