Article PDF
Rights and permissions
About this article
Cite this article
Cambridge Astronomical Symposium. Nature 176, 864–865 (1955). https://doi.org/10.1038/176864a0
Issue Date:
DOI: https://doi.org/10.1038/176864a0
Nature volume 176, pages 864–865 (1955)
Cambridge Astronomical Symposium. Nature 176, 864–865 (1955). https://doi.org/10.1038/176864a0
Issue Date:
DOI: https://doi.org/10.1038/176864a0