@article{HornNeuhausRaetschetal.1996,
  author    = {Erika Horn and Alexander Neuhaus and Gunnar R{\"a}tsch and Wolfgang Schubert and Alexej Tschapek},
  title     = {Software development plan},
  journal   = {HGG-Dokument},
  volume    = {UPHGG.002.4},
  year      = {1996},
}