00330nam a22001337a 450000500170000000800410001702000150005804000130007308200210008610000190010724500320012626000300015830000080018820180717124127.0180717b        xxu||||| |||| 00| 0 eng d  a0631135561  cPK-LaUMT  aMJC 950.2bMOR-M  aMorgan , David  aThe Mongols/c David Morgan  aOxford:bClackwell,c1986  a238