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by: Petäjä, Jukka

In: Helsingin sanomat. - ISSN 0355-2047. - 2011-02-09, s.C3
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by: Petäjä, Jukka

In: Helsingin sanomat. - ISSN 0355-2047. - 2011-10-26, s.C4-C5
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In: Helsingin sanomat. - ISSN 0355-2047. - 2011-11-29, s.C1
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In: Helsingin sanomat. - ISSN 0355-2047. - 2010-03-27, s.C1
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In: Helsingin sanomat. - ISSN 0355-2047. - 2010-02-27, s.C9
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In: Helsingin sanomat. - ISSN 0355-2047. - 2010-01-30, s.C10
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