@unpublished{AlexiadouAnagnostopoulouIordăchioaiaetal.2009,
  author  = {Artemis Alexiadou and Elena Anagnostopoulou and Gianina Nicoleta Iordăchioaia and Mihaela Adriana Marchis},
  title   = {No objections to backward control?},
  pages     = {23},
  year    = {2009},
}