Article PDF
Rights and permissions
About this article
Cite this article
Scientific Film Association. Nature 169, 397 (1952). https://doi.org/10.1038/169397c0
Issue Date:
DOI: https://doi.org/10.1038/169397c0
Nature volume 169, page 397 (1952)
Scientific Film Association. Nature 169, 397 (1952). https://doi.org/10.1038/169397c0
Issue Date:
DOI: https://doi.org/10.1038/169397c0