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Copini, Paul, Jan den Ouden, Elisabeth M. R. Robert, Jacques C. Tardif, Walter A. Loesberg, Leo Goudzwaard, και Ute Sass-Klaassen. "Flood-Ring Formation and Root Development in Response to Experimental Flooding of Young Quercus Robur Trees." Front Plant Sci 2016.

Copini, Paul, et al. "Flood-Ring Formation and Root Development in Response to Experimental Flooding of Young Quercus Robur Trees." Front Plant Sci 2016.