@book{AfflerbachHasselSchmidtetal.2020,
  author    = {G{\"u}nter Afflerbach and Dieter Hassel and Helge Schmidt and Klaus-Siegfried Sonnborn and Franz-Josef Weber},
  title     = {Abgasuntersuchung - Erfolgskontrolle: Ottomotor – G-Kat},
  series    = {Bericht zum Forschungsprojekt 85.008},
  year      = {2020},
}