Article PDF
Rights and permissions
About this article
Cite this article
The Bose Institute, Calcutta. Nature 179, 613 (1957). https://doi.org/10.1038/179613c0
Issue Date:
DOI: https://doi.org/10.1038/179613c0
Nature volume 179, page 613 (1957)
The Bose Institute, Calcutta. Nature 179, 613 (1957). https://doi.org/10.1038/179613c0
Issue Date:
DOI: https://doi.org/10.1038/179613c0