Article PDF
Rights and permissions
About this article
Cite this article
Announcements. Nature 246, 112 (1973). https://doi.org/10.1038/246112a0
Issue Date:
DOI: https://doi.org/10.1038/246112a0
Nature volume 246, page 112 (1973)
Announcements. Nature 246, 112 (1973). https://doi.org/10.1038/246112a0
Issue Date:
DOI: https://doi.org/10.1038/246112a0