A monthly programme of science and observation. 20—' Fish.' Brian Vesey-FitzGerald introduces H. D. Turing and Ethelwynn Trewavas, d.sc. Produced by Desmond Hawkins
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A monthly programme of science and observation. 20—' Fish.' Brian Vesey-FitzGerald introduces H. D. Turing and Ethelwynn Trewavas, d.sc. Produced by Desmond Hawkins