Article PDF
Rights and permissions
About this article
Cite this article
University of London. Nature 176, 957 (1955). https://doi.org/10.1038/176957d0
Issue Date:
DOI: https://doi.org/10.1038/176957d0
Nature volume 176, page 957 (1955)
University of London. Nature 176, 957 (1955). https://doi.org/10.1038/176957d0
Issue Date:
DOI: https://doi.org/10.1038/176957d0