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© 1981 American Institute of Physics.
1981
American Institute of Physics
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Ralph A. Alpher, Paul S. Wesson, Arthur R. Wagner, Paul Wesson, Grote Reber, Harry L. Shipman, R. D. Davies, Paul Wesson, Herbert Malamud, Halton Arp; More on varying G. Physics Today 1 March 1981; 34 (3): 11–78. https://doi.org/10.1063/1.2914462
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