@techreport{Witte1997, author = {Volker C. Witte}, title = {Gew{\"a}sserentschlammung und Sedimententsorgung}, institution = {Baubeh{\"o}rde Hamburg, Amt f{\"u}r Wasserwirtschaft}, address = {Hamburg}, pages = {79}, year = {1997}, language = {de} }