Article PDF
Rights and permissions
About this article
Cite this article
Leverhulme Trust. Nature 185, 659 (1960). https://doi.org/10.1038/185659a0
Issue Date:
DOI: https://doi.org/10.1038/185659a0
Nature volume 185, page 659 (1960)
Leverhulme Trust. Nature 185, 659 (1960). https://doi.org/10.1038/185659a0
Issue Date:
DOI: https://doi.org/10.1038/185659a0