@techreport{plt-tr2008-plot-v4.1.1,
  author = {Alexander Friedman and Jamie Raymond},
  title = {{PLoT}: Graph Plotting},
  number = {PLT-TR2008-plot-v4.1.1},
  type = {Reference Manual},
  institution = {PLT Scheme Inc.},
  month = {October},
  year = {2008},
  url = {http://download.plt-scheme.org/doc/4.1.1/pdf/plot.pdf},
  note = {\url{http://plt-scheme.org/techreports/}}
}