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Lomborg, Björn.
2002
“...UCA - Environmental problems, man and environment - general aspects...”2002
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Irwin, Alan.
2001
“...UCA - Environmental problems, man and environment - general aspects...”2001
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Becker-Boost, Erich.
2001
“...UCA - Environmental problems, man and environment - general aspects...”2001
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Huch, Monika
2001
“...UCA - Environmental problems, man and environment - general aspects...”2001
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Hartmann, Thom
2000
“...UCA - Environmental problems, man and environment - general aspects...”2000
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Streffer, Christian
2000
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MacNeill, J. R.
2000
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Wiedemann, Peter M.
1999
“...UCA - Environmental problems, man and environment - general aspects...”1999