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Hakutulokset: Hakutulos
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yksi hakutulos.
Stratospheric Ozone Reduction, Solar Ultraviolet Radiation and Plant Life
nidottu,
2011,
englanti,
ISBN 9783642700927
Inadvertent alterations of the earth's atmosphere by man's activities are now of regional and even global proportion. Increasing concern has been focused in the last decade on …