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    Air pollution by ozone in Europe in summer 2001 : : overview of exceedances of EC ozone threshold values during the summer season April-August 2001 / / prep. by: Frank de Leeuw, Ferdinand Bogman ; European Environment Agency.
    Luxembourg : OOPEC, 2001. - 24 s. ; s. ; 30 cm.
    (Topic Report ; 13/2001 )
    ISBN 92-9167-406-0


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