00896nam0-22003011i-450-990000972020403321000097202FED01000097202(Aleph)000097202FED0100009720220000920d1970----km-y0itay50------baengRelativityProceedings of the Relativity Conference in the Midwest, held at Cincinnati, Ohio, June 2-6, 1969Edited by Moshe Carmeli and Stuart I. Fickler and Louis WittenNew YorkPlenum Press1970RelativitàGravità530.11Carmeli,Moshe45573Fickler,Stuart I.Witten,LouisITUNINARICAUNIMARCBK99000097202040332123-0547230FI1FI1Relativity352819UNINAING01