00391nam a2200133Ia 4500008004100000082001200041100001500053245003700068260001800105600001500123942000700138952009500145999001700240241002s9999    xx            000 0 und d  a115 LAN  aLandav, L. 0aWhat is the Theory of Relativity  aMoscow:c1965  aPhilosophy  cUC  00104070aUITUbUITUd1994-01-01l0o115 LANpUC601r2024-10-02 09:31:24w2024-10-02yUC  c18928d18928