Article PDF
Rights and permissions
About this article
Cite this article
Smithsonian 1965. Nature 211, 556 (1966). https://doi.org/10.1038/211556b0
Issue Date:
DOI: https://doi.org/10.1038/211556b0
Nature volume 211, page 556 (1966)
Smithsonian 1965. Nature 211, 556 (1966). https://doi.org/10.1038/211556b0
Issue Date:
DOI: https://doi.org/10.1038/211556b0