The online version of the original article can be found at 10.1038/003028b0
The online version of the original article can be found at 10.1038/003052c0
Rights and permissions
About this article
Cite this article
Erratum. Nature 3, 80 (1870). https://doi.org/10.1038/003080b0
By submitting a comment you agree to abide by our Terms and Community Guidelines. If you find something abusive or that does not comply with our terms or guidelines please flag it as inappropriate.