Article PDF
Rights and permissions
About this article
Cite this article
Professor T. K. Walker. Nature 228, 1358 (1970). https://doi.org/10.1038/2281358b0
Issue Date:
DOI: https://doi.org/10.1038/2281358b0
Nature volume 228, page 1358 (1970)
Professor T. K. Walker. Nature 228, 1358 (1970). https://doi.org/10.1038/2281358b0
Issue Date:
DOI: https://doi.org/10.1038/2281358b0