00489nam a2200181Ia 4500001000700000003000500007005001700012008004100029010002100070050001800091082001000109100002900119245002700148250003800175260003700213300002700250650003000277114499BIBL20160527183821.0721219s1964    enka          00000 eng    a 58042601 /L/r850 aQC6b.R8 1958  a530.110aRussell, Bertrand2Local14aThe ABC of relativity.  aRev. ed.bEdited by Felix Pirani.0 aLondonbG. Allen & Unwinc[1958]  a139 p.billus.c23 cm. 0aRelativity Physics2Local