00417nam a2200145Ia 4500100001400000942000700014654002500021245003700046260002600083082001000109300000700119546001200126999001700138952011600155  aLandau/L   cBK  aTheory of relativity  aWhat is the Theory of Relativity  bMir  Publishersc1974  a530.1  a60  aENGLISH  c34258d34258  001040708AFTaCRCEbCRCEd2023-03-17g0.65iP.P.H.5974l0o530.1 pAFT1360r2023-03-17v0.65w2023-03-17yBK