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The contribution of chemistry to food supplies : invited and selected contributed papers presented at the Symposium on the contribution of chemistry to food supplies held in Hamburg, FDR, 29-31 August 1973 / ed. by I. Morton, D.N. Rhodes ; symposium committee chairman H. Egan, J. Hawthorn.
- Butterworths,
- 1974.
- London :
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Foreign relations of African states proceedings of the Twentyfifth symposium of the Colston research society, held in the University of Bristol, April 4th to 7th, 1973 / ed. by K. Ingham.
- 860.1
- Butterworths,
- 1974.
- London :