By Satake Keniechi   Virtanen Viivi   in Journal of Bryology

ISSN:1743-2820|18|4|815-818

Maney Publishing‎(1995)‎

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By Rikkinen Jouko   Virtanen Viivi   in Journal of Experimental Botany

ISSN:1460-2431|59|5|1013-1021

Oxford University Press‎(2008)‎

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By Virtanen Viivi   Lindblom-Ylänne Sari   in Instructional Science

ISSN:0020-4277|38|4|355-370

Springer Publishing Company ‎(2010)‎

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By Guo Shui-Liang   Tan Benito C.   Virtanen Viivi   in Nova Hedwigia

ISSN:0029-5035|82|3-4|467-482

E. Schweizerbart'sche Verlagsbuchhandlung‎(2006)‎

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