Article PDF
Rights and permissions
About this article
Cite this article
Keele Foundation Year Course. Nature 190, 865 (1961). https://doi.org/10.1038/190865a0
Issue Date:
DOI: https://doi.org/10.1038/190865a0
Nature volume 190, page 865 (1961)
Keele Foundation Year Course. Nature 190, 865 (1961). https://doi.org/10.1038/190865a0
Issue Date:
DOI: https://doi.org/10.1038/190865a0