1
Emission reduction through restructuring of the non-ferrous metal industry in the Ruhr area : a historical record /
Book
...Working paper / International Institute for Applied Systems Analysis ;...
2
Industrial transformation and development of heavy metal emissions in Northrhine-Westfalia : decomposition and material flow analysis /
Book
...Working paper / International Institute for Applied Systems Analysis ;...
3
Material accountability: theory, verification, and applications /
Book
...International series on applied systems analysis ;...