000 00306nam a2200109Ia 4500
008 211217s9999 xx 000 0 und d
040 _cJayakar Knowledge Resource Centre
100 _aRussell Bertrand
245 0 _aPrinciples of mathematics
260 _bGeorge allen and unwin
_aLondon
_c1972
942 _c1
999 _c384305
_d384305