000
00289nam a2200133Ia 4500
100
_a
Landau/L
942
_c
BK
654
_a
Theory of relativity
245
_a
What is the Theory of Relativity
260
_b
Mir Publishers
_c
1974
082
_a
530.1
300
_a
60
546
_a
ENGLISH
999
_c
34258
_d
34258