Article PDF
Rights and permissions
About this article
Cite this article
Walgate, R. Two heads for one. Nature 294, 200 (1981). https://doi.org/10.1038/294200b0
Issue Date:
DOI: https://doi.org/10.1038/294200b0
Nature volume 294, page 200 (1981)
Walgate, R. Two heads for one. Nature 294, 200 (1981). https://doi.org/10.1038/294200b0
Issue Date:
DOI: https://doi.org/10.1038/294200b0