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Will the Dual System manage packaging waste?
Klepper, Gernot; Michaelis, Peter - 1992
Persistent link: https://www.econbiz.de/10010261719
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Reducing cadmium emission into the air
Klepper, Gernot; Michaelis, Peter - 1992
Persistent link: https://www.econbiz.de/10010265288
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Cadmium in West Germany: how much do we know about stocks and flows?
Klepper, Gernot; Michaelis, Peter - 1991
Persistent link: https://www.econbiz.de/10010265600