Multi-objective Meta-heuristics for the Traveling Salesman Problem with Profits. Jozefowiez, N., Glover, F., & Laguna, M. Journal of Mathematical Modelling and Algorithms, 7(2):177--195, June, 2008.
bibtex   
@article{Jozefowiez08a,
  author = {Nicolas Jozefowiez and Fred Glover and Manuel Laguna},
  title = {{Multi-objective Meta-heuristics for the Traveling Salesman Problem
	with Profits}},
  journal = {Journal of Mathematical Modelling and Algorithms},
  volume = {7},
  number = {2},
  pages = {177--195},
  month = {June},
  year = {2008}
}

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