DIN 18005-1 Supplement 1
DIN 18005-1 Supplement 1
Noise abatement in town planning; calculation methods; acoustic orientation values in town planningstandard by Deutsches Institut Fur Normung E.V. (German National Standard), 05/01/1987
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 05/01/1987