@techreport{1993-vanEekelen-ManualConcurrent,
  author		= "{van Eekelen}, M.C.J.D. and {Huitema}, H. and {N{\"{\i}}{?'}˝cker}, EG.J.M.H. and {Smetsers}, J.E.W. and {Plasmeijer}, M.J.",
  title			= "{Concurrent Clean language manual}",
  number		= "CSI--R9313",
  month			= "June",
  institution		= "Radboud University Nijmegen",
  organization		= "Radboud University Nijmegen",
  year			= "1993",
  code			= "icis.93-13",
  research_group	= "icis",
  class			= "Report"
}