Water-proofing of buildings – Part 6: Water-proofing against outside pressing water and accumulating seepage water, design and execution
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 12/01/2011

Water-proofing of buildings – Part 6: Water-proofing against outside pressing water and accumulating seepage water; design and execution
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 08/01/2000