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
Marriott, F. M.H.L. Pirenne. Nature 277, 585 (1979). https://doi.org/10.1038/277585a0
Published:
Issue date:
DOI: https://doi.org/10.1038/277585a0
