Additional information

    The online version of the original article can be found at 10.1038/249674a0

    Rights and permissions

    Reprints and Permissions

    About this article

    Cite this article

    Erratum. Nature 250, 89 (1974) doi:10.1038/250089b0

    Download citation


    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.