United States. Central Intelligence Agency, CIA World Fact Book, 2004 — Armenia (2004)
“ By May 1994, when a cease-fire took hold, Armenian forces held not only Nagorno-Karabakh but also a significant portion of Azerbaijan proper. The economies of both sides have been hurt by their inability to make substantial progress toward a peaceful resolution. Turkey imposed an economic blockade on Armenia and closed the common border because of the Armenian occupation of Nagorno-Karabakh and surrounding areas. ”
