Detection of intergalactic ionized helium absorption in a high-redshift quasar
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F. Paresce | P. Jakobsen | A. Boksenberg | P. Greenfield | P. Greenfield | F. Paresce | A. Boksenberg | J. M. Deharveng | R. Jedrzejewski | J. Deharveng | R. Jedrzejewski | P. Jakobsen
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