(1974). Effects of defoliation, girdling, and severing of sugar maple trees on root starch and sugar levels / Johnson Parker.
Style de citation Chicago (17e éd.)Effects of Defoliation, Girdling, and Severing of Sugar Maple Trees on Root Starch and Sugar Levels / Johnson Parker. 1974.
Style de citation MLA (9e éd.)Effects of Defoliation, Girdling, and Severing of Sugar Maple Trees on Root Starch and Sugar Levels / Johnson Parker. 1974.
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