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_aSharma Surendra Raj _9521883 |
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_aUniversity of Delhi. Faculty of Science. Department of Physics and Astrophysics _9519374 |
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| 245 | 0 | _aPositron annihilation studies insome liquid crystalline materials | |
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| 700 | _a Prof P C Jain Supervisor | ||
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_aUniversity of Delhi. Faculty of Science. Department of Physics and Astrophysics _9519380 |
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