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024 _a61926
037 _cTextual
040 _aCSL
_beng
_cCSL
041 _aeng
082 _aB:R1, J0
100 _aRussell Bertrand
245 0 _cRussell Bertrand
_aPrinciples of mathematics
260 _c1950
300 _ap.
_ccm.
650 _a Mathematical logic
650 _aMathematics
942 _hB:R1, J0
_cTEXL
_2CC
999 _c79170
_d79170