DIN SPEC 1108-1
DIN SPEC 1108-1 Services provided for waste and recycling logistics, road cleaning, winter maintenance and sewage systems - Part 1: Terminology
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 10/01/2009
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 10/01/2009