@book{HoppeKerresK{\"o}hler2011,
  author    = {Hoppe, Ulrich H. and Kerres, Michael and K{\"o}hler, Thomas},
  title     = {DeLFI 2011},
  editor    = {Friedrich, Steffen and Kienle, Andrea and Rohland, Holger},
  publisher = {TUDpress Verlag der Wissenschaften},
  address   = {Dresden},
  isbn      = {978-3-942710-36-7},
  year      = {2011},
  language  = {und}
}