Article PDF
Rights and permissions
About this article
Cite this article
The Royal Society of Edinburgh. Nature 199, 119 (1963). https://doi.org/10.1038/199119b0
Issue Date:
DOI: https://doi.org/10.1038/199119b0
Nature volume 199, page 119 (1963)
The Royal Society of Edinburgh. Nature 199, 119 (1963). https://doi.org/10.1038/199119b0
Issue Date:
DOI: https://doi.org/10.1038/199119b0