Article PDF
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
DAVIES, R. Pitt not Penn. Nature 341, 480 (1989). https://doi.org/10.1038/341480d0
Issue Date:
DOI: https://doi.org/10.1038/341480d0
Nature volume 341, page 480 (1989)
DAVIES, R. Pitt not Penn. Nature 341, 480 (1989). https://doi.org/10.1038/341480d0
Issue Date:
DOI: https://doi.org/10.1038/341480d0