@techreport{Campbell19b,
  author      = {Graham Campbell},
  title       = {A {GP\,2} Implementation of the Bellman-Ford Algorithm},
  institution = {Department of Computer Science, University of York, {UK}},
  year        = {2019},
  url         = {https://cdn.gjcampbell.co.uk/2019/Bellman-Ford-GP2.pdf},
}