DIN SPEC 1164
DIN SPEC 1164 Water quality - Selection of tests for biodegradability (ISO/TR 15462:2006); German version CEN ISO/TR 15462:2009
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 05/01/2010
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 05/01/2010