By Bucciaglia Paul A.   Zimmermann Elizabeth   Smith Alan G.   in Journal of Plant Physiology

ISSN:0176-1617|160|11|1367-1373

Urban & Fischer‎(2003)‎

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By GREILING REINHARD O.   JENSEN SÖREN   SMITH ALAN G.   in Norsk Geologisk Tidsskrift

ISSN:0029-196x|79|3|133-144

Taylor & Francis Ltd‎(1999)‎

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