Water-proofing of buildings – Part 3: Requirements of the ground and working properties of materials
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 12/01/2011

Water-proofing of buildings – Part 3: Requirements to the ground and working properties of materials
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 08/01/2000