00658nam0-22002411i-450-990001175210403321000117521FED01000117521(Aleph)000117521FED0100011752120000920d1959----km-y0itay50------baeng<<The >>Theory of Space Time and Gravitationby FOCK V.LondonPergamon Press1959Fock,V.40331ITUNINARICAUNIMARCBK99000117521040332129-H-313018MA1MA1Theory of space, time and gravitation192464UNINAING01