@article {potvin89generalized,
	title = {A Generalized {K}-Opt Exchange Procedure for the {MTSP}},
	journal = {INFOR},
	volume = {27},
	number = {4},
	year = {1989},
	pages = {474-481},
	pdf = {http://rali.iro.umontreal.ca/rali/sites/default/files/publis/K-opt\%20Exchange.pdf},
	author = {Potvin, J.-Y. and Guy Lapalme and Rousseau, J.-M.}
}
