Article PDF
Rights and permissions
About this article
Cite this article
The Manchester Literary and Philosophical Society. Nature 189, 273 (1961). https://doi.org/10.1038/189273d0
Issue Date:
DOI: https://doi.org/10.1038/189273d0
Nature volume 189, page 273 (1961)
The Manchester Literary and Philosophical Society. Nature 189, 273 (1961). https://doi.org/10.1038/189273d0
Issue Date:
DOI: https://doi.org/10.1038/189273d0