00723nam0-22002771i-450-990000968010403321000096801FED01000096801(Aleph)000096801FED0100009680120000920d1970----km-y0itay50------baengRelativity ReexaminedLéon BrillouinNew YorkAcademic Press1970RelativitàGravità530.11Brillouin,Léon<1889-1969>340638ITUNINARICAUNIMARCBK99000096801040332123-0577375FI1FI1Relativity Reexamined358575UNINAING01