000 00248pam a2200109a 44500
082 _a531.51
_bR91
100 _aRussell, Bertrand
245 1 _aTHE ABC OF RELATIVITY
260 _a
_bGeorge Allen & Unwin
_c1925
964 _gCIRC
997 _a5139 C
999 _c409619
_d409619