Article PDF
Rights and permissions
About this article
Cite this article
SEWELL, G. Statistical Journal. Nature 226, 47 (1970). https://doi.org/10.1038/226047b0
Issue Date:
DOI: https://doi.org/10.1038/226047b0
Comments
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.