Abstract
The infrared spectrum of the galactic centre source IRS 7 over the 2.9–3.9 μm waveband is interpreted as strong evidence for bacterial grains.
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Hoyle, F., Wickramasinghe, N.C., Al-Mufti, S. et al. Infrared spectroscopy over the 2.9–3.9 μm waveband in biochemistry and astronomy. Astrophys Space Sci 83, 405–409 (1982). https://doi.org/10.1007/BF00648568
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DOI: https://doi.org/10.1007/BF00648568