Einstein, A. (1953). The meaning of relativity (4th ed., including the Generalization of gravitation theory.). Princeton: Princeton University Press.
Παραπομπή Chicago StyleEinstein, Albert. The Meaning of Relativity. 4th ed., including the Generalization of gravitation theory. Princeton: Princeton University Press, 1953.
Παραπομπή MLAEinstein, Albert. The Meaning of Relativity. 4th ed., including the Generalization of gravitation theory. Princeton: Princeton University Press, 1953.
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