Article PDF
Rights and permissions
About this article
Cite this article
Tropical Products Institute. Nature 180, 1393 (1957). https://doi.org/10.1038/1801393a0
Issue Date:
DOI: https://doi.org/10.1038/1801393a0
Nature volume 180, page 1393 (1957)
Tropical Products Institute. Nature 180, 1393 (1957). https://doi.org/10.1038/1801393a0
Issue Date:
DOI: https://doi.org/10.1038/1801393a0