Não informado. (1980). Journal of Astrophysics and Astronomy. Indian Academy of Sciences.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Journal of Astrophysics and Astronomy. Bangalore, India: Indian Academy of Sciences, 1980.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Journal of Astrophysics and Astronomy. Indian Academy of Sciences, 1980.
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