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Finanzpolitische Aspekte der kanadischen Umweltschutzpolitik
Müller, Frank G., (1973)
Das internationale Umweltmanagement der nordamerikanischen grossen Seen
Müller, Frank G., (1978)
Substitution effects in public budgets : the case of local environmental expenditures for the Fed. Republic of Germany 1963 - 1976 ; prepared for the 5. Advanced Summer Inst. in Regional Science "Urban Problems and Policies in a Spatial Context", Amsterdam, August 11 - 22, 1980
Zimmermann, Klaus, (1980)