Water-proofing of buildings – Part 5: Water-proofing against non-pressing water on floors and in wet areas; design and execution
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 08/01/2000

Water-proofing of buildings – Part 5: Water-proofing against non-pressing water on floors and in wet areas, design and execution
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 12/01/2011