00525nam a2200157Ia 4500008004000000082001300040100001600053245005000069260003500119300000800154650004100162690001000203906001100213999001900224952012400243210210b1964 xxu||||| |||| 00| 0 eng d a170 RANV aRAND (Ayn). aVirtue of selfishness: New concept of egoism. aNYbNew American Libraryc1964 a151 aEthics Virtue of selfishness Egois aEthic aSG0250 c113411d113411 001040708PsychologyaALbALcPsychologyd2021-02-17g0.00l0o170 RANVpSG02501r2021-02-17 00:00:00w2021-02-17ySG