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2
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Super-regenerative receivers / by J.R. Whitehead.
- 621.381512 W5921
- Whitehead, J. R.
- University Press,
- 1950.
- Cambridge :
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Wealth of colonies : the Marshall lectures delivered at Cambridge on 17 and 24 February 1950 / by W.K. Hancock.
- Cambridge University Press,
- 1950.
- Cambridge :