Article PDF
Rights and permissions
About this article
Cite this article
Science Museum, London. Nature 207, 243 (1965). https://doi.org/10.1038/207243d0
Issue Date:
DOI: https://doi.org/10.1038/207243d0
Nature volume 207, page 243 (1965)
Science Museum, London. Nature 207, 243 (1965). https://doi.org/10.1038/207243d0
Issue Date:
DOI: https://doi.org/10.1038/207243d0