Article PDF
Rights and permissions
About this article
Cite this article
British Coal Utilization Research Association. Nature 203, 133 (1964). https://doi.org/10.1038/203133b0
Issue Date:
DOI: https://doi.org/10.1038/203133b0
Nature volume 203, page 133 (1964)
British Coal Utilization Research Association. Nature 203, 133 (1964). https://doi.org/10.1038/203133b0
Issue Date:
DOI: https://doi.org/10.1038/203133b0