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      https://www.ias.ac.in/article/fulltext/reso/010/12/0076-0082

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    • Author Affiliations

       

      Bikram Phookun1 2 Biman Nath3

      1. Department of Physics and Centre for Mathematical Sciences, St. Stephen's College, Delhi 110 007, India.
      2. Currently visiting: Raman Research Institute Bangalore 560 080.
      3. Raman Research Institute, Bangalore 560 080, India.
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