of flooding wave.) Morava - Vardar (Axios) Navigation Route map Hydropower and navigation system "Morava" (Concepts of regulation of rivers Great Morava and South Morava for navigation and hydropower production.) Sources Mala Prosvetina Enciklopedija, Third edition (1985); Prosveta; Jovan Đ. Marković (1990): Enciklopedijski geografski leksikon Jugoslavije; Svjetlost-Sarajevo; References External links Rivers of Bulgaria Rivers of Serbia International rivers of Europe Landforms of Sofia Province Landforms of Blagoevgrad Province