000 00288nam a2200109Ia 45e0
008 181001s1969 xx 000 0 und d
100 _aBergmann P.G.
245 0 _aIntro. To the theory of Relativity
260 _bPrentice Hall
_c1969
300 _a287
942 _2ddc
_cBK
999 _c1134
_d1134