00410nam a2200145 a 45000010018000000050017000180080041000350900017000762450052000932600037001453000010001825010011001926500046002039990015002490000000000001321720260805123912.0070429s2004    us            000a  eng    a33М.0bC-7310aCompetitin in international voice communication  aWashingtonbThe World Bankc2004  a42 p.  aw/18314 aПрикладнаяaэкономика.  c7057d7057