@unpublished{FreedenGlocknerSchreiner1997,
  author  = {Willi Freeden and Oliver Glockner and Michael Schreiner},
  title   = {Spherical panel clustering and its numerical aspects},
  institution = {Fachbereich Mathematik},
  series    = {Berichte der Arbeitsgruppe Technomathematik (AGTM Report)},
  number    = {183},
  year    = {1997},
  url  = {http://nbn-resolving.de/urn:nbn:de:hbz:386-kluedo-5888},
}