TY - BOOK AU - Wheeler,John Archibald TI - Geometrodynamics T2 - Societ italiana di fisica. Questioni di fisica moderna, U1 - 530.1 23 PY - 1962/// CY - New York PB - Academic Press KW - Geometry, Differential KW - Unified field theories KW - Generalized spaces N1 - Includes bibliography ER -