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Reference7 articles.
1. Berry, M.V. Proc. Roy. Soc. 392, 45–57 (1985).
2. Pancharatnam, S. Proc. Indian Acad. Sci. 44, 247–262 (1956).
3. Ramaseshan, S. & Nityananda, R. Current Science 55, 1225–1226 (1986).
4. Bhandari, R. & Samuel, J. Phys. Rev. Lett. 60, 1211 (1988).
5. Samuel, J., Bhandari, R. Phys. Rev. Lett. 60, 2339 (1988).