RI, Brown Univ., Dep. of Economics, Diss.--Providence, 2003. / Kopie, ersch. im Verl. UMI, Ann Arbor, Mich. - Enth. 3 Beitr.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/254558026 |
| Date | January 2003 |
| Creators | Zhang, Qinghua. |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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