Nicos Christofides (Christofides, Nicos)

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  Combinatorial Optimization
  by Nicos Christofides
  Hardcover, Wiley, ISBN 0471997498 (0-471-99749-8)
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  Distribution Management: Mathematical Modelling and Practical Analysis
  by Samuel Eilon, Carl Donald Tyndale Watson-Gandy, Nicos Christofides
  Hardcover, Griffin, ISBN 0852641915 (0-85264-191-5)
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  Graph Theory: An Algorithmic Approach
  by Nicos Christofides
  Hardcover, Academic Press, ISBN 0121743500 (0-12-174350-0)