Article PDF
Rights and permissions
About this article
Cite this article
Announcements. Nature 165, 223 (1950). https://doi.org/10.1038/165223f0
Issue Date:
DOI: https://doi.org/10.1038/165223f0
Nature volume 165, page 223 (1950)
Announcements. Nature 165, 223 (1950). https://doi.org/10.1038/165223f0
Issue Date:
DOI: https://doi.org/10.1038/165223f0