00351nam a2200157Ia 4500008004100000020000900041035000900050082001600059100002100075245002900096250000600125260004200131300000800173500000600181650000600187210723s9999||||xx |||||||||||||| ||und||  aNULL  a9371  a513.82BEDD  aEddington, A. S. 0aSpace Time & Gravitation  a-  aCambridgebCambridge University Press  a218  a0  a-