Article PDF
Rights and permissions
About this article
Cite this article
Commonwealth Scholarship Commission. Nature 193, 939 (1962). https://doi.org/10.1038/193939a0
Issue Date:
DOI: https://doi.org/10.1038/193939a0
Nature volume 193, page 939 (1962)
Commonwealth Scholarship Commission. Nature 193, 939 (1962). https://doi.org/10.1038/193939a0
Issue Date:
DOI: https://doi.org/10.1038/193939a0