Article PDF
Rights and permissions
About this article
Cite this article
Also submitted for review. Nature 353, 481 (1991). https://doi.org/10.1038/353481b0
Issue Date:
DOI: https://doi.org/10.1038/353481b0
Nature volume 353, page 481 (1991)
Also submitted for review. Nature 353, 481 (1991). https://doi.org/10.1038/353481b0
Issue Date:
DOI: https://doi.org/10.1038/353481b0