| Starting from Einstein’s 4D space-time and the 26D of Bosonic strings we have | Starting from Kaluza-Klein 5-D space-time and the 26D of Bosonic strings we have |
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| Starting from Einstein’s 4D space-time and the 26D of Bosonic strings we have | Starting from Kaluza-Klein 5-D space-time and the 26D of Bosonic strings we have |
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