000 00449nam a2200181Ia 4500
003 0100
008 130303s9999 xx 000 0 und d
040 _cARRUPELIB
050 _aHB98.K57 1979
100 _aKirzner, Israel M
245 _aPerception, opportunity, and profit
245 _bstudies in the theory of entrepreneurship
260 _aChicago IL
260 _bUniv. of Chicago Pr.
260 _C1979
300 _a274p
942 0 0 _01
999 _c27009
_d27009