Matter and Motion
. By N. Feather. Pp. 195. (Penguin: Harmondsworth, Middlesex, 1970.) 15s. Free-Electron Physics. By P. S. Farago. Pp. 269. (Penguin: Harmondsworth, Middlesex, 1970.) 30s.
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WILSON, J. Rigor and Flexibility. Nature 229, 212 (1971). https://doi.org/10.1038/229212a0
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DOI: https://doi.org/10.1038/229212a0