Article PDF
Rights and permissions
About this article
Cite this article
The Association of Applied Biologists. Nature 190, 679 (1961). https://doi.org/10.1038/190679b0
Issue Date:
DOI: https://doi.org/10.1038/190679b0
Nature volume 190, page 679 (1961)
The Association of Applied Biologists. Nature 190, 679 (1961). https://doi.org/10.1038/190679b0
Issue Date:
DOI: https://doi.org/10.1038/190679b0