section_heading: Zaštita od poplava
paragraph_text: Radovi su započeli u ožujku 1972.<ref>Beschluss data (German) . i završeni su 1988.<ref>"Zwischen 1870 und 1875 gab es die erste Donauregulierung"  and "1988 [...] fertig gestellt." (from a test for  immigrants, webpage: Auslaender-P1,  applying for Austrian citizenship; official paper, in German)