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Metcalfe H. C. 1. T. F. E. W. J. E. 1., . (1984). Modern physics. : .
Metcalfe H Clark 1919 Trinklein Frederick E Williams John E 1913, . 1984. Modern physics. : .
Metcalfe H Clark 1919 Trinklein Frederick E Williams John E 1913, . Modern physics. : . 1984.
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