Article PDF
Rights and permissions
About this article
Cite this article
Research Organization. Nature 238, 63 (1972). https://doi.org/10.1038/238063a0
Issue Date:
DOI: https://doi.org/10.1038/238063a0
Nature volume 238, page 63 (1972)
Research Organization. Nature 238, 63 (1972). https://doi.org/10.1038/238063a0
Issue Date:
DOI: https://doi.org/10.1038/238063a0