@book{WahrburgEgert2009,
  author    = {Ursel Wahrburg and Sarah Egert},
  title     = {Die große Wahrburg/Egert Kalorien- \& N{\"a}hrwerttabelle},
  edition   = {1. Aufl.},
  isbn      = {987-3-8304-3419-1},
  year      = {2009},
}