@book{DellmannSchmitzWulff2004,
  author    = {Dellmann, Frank and Schmitz, Stefan and Wulff, Holger},
  title     = {Statistical analysis of web log files of a german automobile producer},
  volume    = {33},
  publisher = {Fachhochschule},
  address   = {M{\"u}nster},
  year      = {2004},
  language  = {en}
}