Article PDF
Rights and permissions
About this article
Cite this article
Department of Technical Co-operation. Nature 192, 708 (1961). https://doi.org/10.1038/192708b0
Issue Date:
DOI: https://doi.org/10.1038/192708b0
Nature volume 192, page 708 (1961)
Department of Technical Co-operation. Nature 192, 708 (1961). https://doi.org/10.1038/192708b0
Issue Date:
DOI: https://doi.org/10.1038/192708b0