Article PDF
Rights and permissions
About this article
Cite this article
Announcements. Nature 200, 409 (1963). https://doi.org/10.1038/200409d0
Issue Date:
DOI: https://doi.org/10.1038/200409d0
Nature volume 200, page 409 (1963)
Announcements. Nature 200, 409 (1963). https://doi.org/10.1038/200409d0
Issue Date:
DOI: https://doi.org/10.1038/200409d0