@conference{608,
  author = {Louise Leenen and T.H.C. Smith},
  title = {Solving the Travelling Salesman Problem Using the Branch-and-Bound Method},
  year = {1991},
  journal = {Proceedings of the Conference of the South African Lecturer{\textquoteright}s Association},
  month = {1991},
  address = {Caledon, South Africa},
}