@techreport{plt-tr2009-tools-v4.2.2,
  author = {Robert Bruce Findler},
  title = {Plugins: Extending {DrScheme}},
  number = {PLT-TR2009-tools-v4.2.2},
  type = {Reference Manual},
  institution = {PLT Scheme Inc.},
  month = {October},
  year = {2009},
  url = {http://download.plt-scheme.org/doc/4.2.2/pdf/tools.pdf},
  note = {\url{http://plt-scheme.org/techreports/}}
}