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Proceedings of the National Academy of Sciences of the United States of America logoLink to Proceedings of the National Academy of Sciences of the United States of America
. 1961 Apr;47(4):575–581. doi: 10.1073/pnas.47.4.575

EXTRA-TERRESTRIAL LIFE*

Philip H Abelson 1
PMCID: PMC221489  PMID: 16578502

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

  1. Sinton W. M. Further Evidence of Vegetation on Mars: The presence of large organic molecules is indicated by recent infrared-spectroscopic tests. Science. 1959 Nov 6;130(3384):1234–1237. doi: 10.1126/science.130.3384.1234. [DOI] [PubMed] [Google Scholar]

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