@article{HopfHatzichristou1994,
  author    = {Hopf, Diether and Hatzichristou, C.},
  title     = {Die R{\"u}ckkehr in die Heimat : zur schulischen und sozialpsychologischen Situation der griechischen Sch{\"u}ler nach der Remigration},
  year      = {1994},
  language  = {de}
}
@article{HatzichristouHopf1995,
  author    = {Hatzichristou, C. and Hopf, Diether},
  title     = {School adaptation of Greek children after remigration : age differences in multiple domains},
  year      = {1995},
  language  = {en}
}
@article{HatzichristouHopf1996,
  author    = {Hatzichristou, C. and Hopf, Diether},
  title     = {A multiperspective comparison of peer sociometric status groups in childhood and adolescence},
  year      = {1996},
  language  = {en}
}
@article{HopfHatzichristou1999,
  author    = {Hopf, Diether and Hatzichristou, C.},
  title     = {Teacher gender-related influences in Greek schools},
  year      = {1999},
  language  = {en}
}