000
00288nam a2200109Ia 45e0
008
181001s1969 xx 000 0 und d
100
_a
Bergmann P.G.
245
0
_a
Intro. To the theory of Relativity
260
_b
Prentice Hall
_c
1969
300
_a
287
942
_2
ddc
_c
BK
999
_c
1134
_d
1134