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21 february 2008 - industrial engineering students from the University Javeriana, Bogotá, Colombia |
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20 february 2008 - Delegation from Russia and Ukraine in the field of energy supply and science |
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20 february 2008 - University Duisburg/Essen, department of Geography |
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20 february 2008 - Delegation from South Korea with a focus on environment and architecture |
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15 february 2008 - Environmental representatives of vocational school Iserlohn – 3. group |
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13 february 2008 - Environmental representatives of vocational school Iserlohn – 2. group |
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