, : The meaning of relativity. ¥*E 51294 17 Einstein, Albert, 1879- The meaning of relativity. 3rd ed., rev., in- cluding The generalized theory of gravitation, by Albert Einstein. Princeton, N. J., Princeton | University Press, 1950. 2 1., 162 ps, 2 1. 20 1/2 om. "The text of this book was first presented in lecture form at Princeton University in May, 1921." - Jacket.
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