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Surface biosignatures of exo-Earths: Remote detection of extraterrestrial life

Hegde, S., I. Paulino-Lima, R. Kent, L. Kaltenegger, and L. Rothschild (2015), Surface biosignatures of exo-Earths: Remote detection of extraterrestrial life, Proc. Natl. Acad. Sci., 112, 3886-3891.
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