@book{LauthHoelderichHarthetal.1997,
  author    = {Lauth, Jakob and Hoelderich, Wolfgang and Harth, Klaus and Hirbst, Hartmut},
  title     = {Schalenkatalysatoren = Shell coated catalysts ; Europ{\"a}ische Patentschrift EP0576944B1 ; Ver{\"o}ffentlichungsdatum 26.02.1997 / Anmelder: BASF Aktiengesellschaft},
  publisher = {Europ{\"a}isches Patentamt},
  address   = {[M{\"u}nchen u.a.]},
  pages     = {12 S.},
  year      = {1997},
  language  = {de}
}
@misc{LauthHoelderichHarthetal.1996,
  author    = {Lauth, Jakob and Hoelderich, Wolfgang and Harth, Klaus and Hibst, Hartmuth},
  title     = {Coated catalysts : United States Patent ; patent number 5,559,065 ; date of patent: Sep. 24, 1996 / assignee: BASF Aktiengesellschaft},
  publisher = {[United States Trademark and Patent Office]},
  address   = {[Alexandria, VA]},
  pages     = {7 S.},
  year      = {1996},
  language  = {en}
}