000 00269nam a2200121Ia 4500
008 220201s1969 xx 000 0 eng d
082 _a530.11
_bRUS
100 _aRussell, Bertrand
245 4 _aThe ABC of relativity
260 _c1969
300 _a144
942 _2ddc
999 _c76550
_d76550