Enjoying our latest content?
Log in or create an account to continue
- Access the most recent journalism from Nature's award-winning team
- Explore the latest features & opinion covering groundbreaking research
or
Rights and permissions
About this article
Cite this article
JOHN, D. Dr. V. E. Nash-Williams. Nature 177, 163–164 (1956). https://doi.org/10.1038/177163a0
Issue date:
DOI: https://doi.org/10.1038/177163a0
