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Ritte, Gerhard, James R. Lloyd, Nora Eckermann, Antje Rottmann, Jens Kossmann, und Martin Steup. The Starch-related R1 Protein Is an α-glucan, Water Dikinase. The National Academy of Sciences, 2002.

Ritte, Gerhard, et al. The Starch-related R1 Protein Is an α-glucan, Water Dikinase. The National Academy of Sciences, 2002.