| 000 | 00453nam a2200109Ia 4500 | ||
|---|---|---|---|
| 008 | 151021s9999 xx 000 0 und d | ||
| 050 | _aHC 106.4 .A43 2011 | ||
| 245 | _a_The american economic review papers and proceedings of the one hundred twenty third annual meeting of the American economic association Orley C.Ashenfelter | ||
| 260 | _aNashville American economic association 2011 | ||
| 300 | _axii,668,viip. | ||
| 980 | _a^d20130509 01:01:55^oanne | ||
| 999 |
_c13134 _d13134 |
||