@unpublished{ElvikisHamacherKalsch2007,
  author  = {Donatas Elvikis and Horst W. Hamacher and Marcel T. Kalsch},
  title   = {Scheduling and Location (ScheLoc): Makespan Problem with Variable Release Dates},
  institution = {Fachbereich Mathematik},
  series    = {Report in Wirtschaftsmathematik (WIMA Report)},
  number    = {106},
  year    = {2007},
  url  = {http://nbn-resolving.de/urn:nbn:de:hbz:386-kluedo-14781},
}