Ein Bestimmungsschlüssel für natürliche und technogene Substrate in Böden städtisch-industrieller Verdichtungsräume

A key to recognize natural and technological materials in soils of urban and industrial environment In the most cases soils of urban and industrial environment are influenced by man. They often consist of mixtures of changed natural or technological materials. The identification of these materials means a problem to the soil scientist missing exact characteristics, especially of the technological materials. Improving the field examinations a key was developed to recognize the materials of the urban environment.