Analysis of information sources in references of the Wikipedia article "Δελτία ταυτότητας στον Ευρωπαϊκό Οικονομικό Χώρο και την Ελβετία" in Greek language version.
As ID cards are less bulky and usually cheaper than passports, ID card ownership is much more widespread than passport ownership and tens of millions of journeys involving entry to the EU territory are made every year using ID cards.
