000 00276nam a22001217a 4500
008 181204b xxu||||| |||| 00| 0 eng d
041 _aeng
080 _a330
100 _a52
101 _aEKO
245 _aElementary Theory of Economic Behavior
_cHadar,J
942 _2udc
_cBK
999 _c52768
_d52768