An Introduction to Marine Geology
By M. J. Keen. (The Commonwealth and International Library of Science, Technology, Engineering and Liberal Studies: Geophysics Division.) Pp. ix + 218. (Pergamon Press: Oxford, London and New York, 1968.) 42s boards; 30s flexi-cover.
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GRAY, F. Oceanic Crusts. Nature 224, 292 (1969). https://doi.org/10.1038/224292a0
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DOI: https://doi.org/10.1038/224292a0