@article{Engel1996,
  author    = {Engel, Uwe},
  title     = {Streßentwicklung im Jugendalter : Latente Markov-Modelle ausgew{\"a}hlter Symptome},
  year      = {1996},
  language  = {de}
}
@article{EngelMeyer1996,
  author    = {Engel, Uwe and Meyer, Wolfgang},
  title     = {Structural analysis in the study of social change},
  year      = {1996},
  language  = {en}
}
@article{EngelReinecke1996,
  author    = {Engel, Uwe and Reinecke, Jost},
  title     = {Introduction},
  year      = {1996},
  language  = {en}
}