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An improved flipped SU(5)×U(1) model from the four-dimensional string
I. Antoniadis, John Ellis, J. Hagelin, D.V. NanopoulosVolume:
208
Year:
1988
Language:
english
Pages:
7
DOI:
10.1016/0370-2693(88)90419-4
File:
PDF, 500 KB
english, 1988