Article PDF
Rights and permissions
About this article
Cite this article
Dr. A. Elek. Nature 202, 238 (1964). https://doi.org/10.1038/202238a0
Issue Date:
DOI: https://doi.org/10.1038/202238a0
Nature volume 202, page 238 (1964)
Dr. A. Elek. Nature 202, 238 (1964). https://doi.org/10.1038/202238a0
Issue Date:
DOI: https://doi.org/10.1038/202238a0