@techreport{EhrgottEuteneuerHamacher2002,
  author    = {Matthias Ehrgott and Angela Euteneuer and Horst W. Hamacher},
  title     = {Teor{\´i}a de localizaci{\´o}n en las clases de matem{\´a}ticas},
  institution = {Fachbereich Mathematik},
  series    = {Report in Wirtschafts- und Technomathematik an Schulen (WiMS/TeMS Report)},
  number    = {1, spanisch},
  year      = {2002},
  url  = {http://nbn-resolving.de/urn:nbn:de:hbz:386-kluedo-12638},
}