IZA Discussion paper
| Tag | 1 | 2 | Valor |
|---|---|---|---|
| LDR | 00000czm a2200000o 4500 | ||
| 001 | MAPA20080509613 | ||
| 003 | MAPA | ||
| 005 | 20110124090229.0 | ||
| 008 | 080420 n aizzaaaan|||||||||| n|and|||| d | ||
| 040 | $aMAP$bspa$dMAP | ||
| 130 | 0 | $aIZA Discussion paper |
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