00454nam a22001217a 4500020001800000082001300018100002900031245009400060260004900154300003300203500001900236650007700255  a9780691150345  a958bBEC  aBeckwith, Christopher I.  aEmpires of the silk roadba history of central eurasia from the bronze age to the present  aNew JerseybPrinceton University Pressc2009  axv, 472 p.b: ill.c; 22 cm.  aIncludes index  aCentral asiavMiddle eastvEast asiavCivilizationvHistoryvChinavRIMS