1. Åberg, B.: Effects of light and temperature on the ascorbic acid content of green plants. Kungl. Lantbrukshögsk. Ann. (Uppsala) 13, 239–273 (1946).
2. Changes in the ascorbic acid content of darkened leaves as influenced by temperature, sucrose application, and severing from the plant. Physiol. Plantarum (Copenh.) 2, 164–183 (1949).
3. On the effect of different sugars upon the ascorbic acid content of detached leaves. Kungl. Lantbrukshögsk. Ann. (Uppsala) 20, 125–138 (1953).
4. Åberg, B., and I. Ekdahl: Effects of nitrogen fertilization on the ascorbic acid content of green plants. Physiol. Plantarum (Copenh.) 1, 290–329 (1948).
5. Algéus, S.: Untersuchungen über die Ernährungsphysiologie der Chloro-phyceen. Bot. Not. (Lund) 1946, 129–280. (Also: Diss., Lund.)