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2. The history of phytochrome;Borthwick,1972
3. The physiological significance of phytochrome;Borthwick,1972
4. Phytochrome: Chemical and physical properties and mechanism of action;Briggs;Annu. Rev. Plant Physiol,1972
5. Phototropic auxin redistribution in corn coleoptiles;Briggs;Science,1957