000 00371nam a2200169Ia 4500
003 0STCL
008 150530s9999 xx 000 0 und d
040 _aSTCL
_cSTCL
100 _aKpoff, A.
245 _aMathematical theory of relativity
250 _aFirst
260 _c1923
546 _aEnglish
942 _2ddc
_cBK
999 _c28926
_d28926
005 20220125170139.0