00437nam a2200145 a 450000500170000002000180001708200160003510000210005124500260007225000120009826000660011030000230017649000420019950000500024120251203112112.0  a9780821852194  a512.74bJAN  aJanusz, Gerald J  aAlgebra number fields  a2nd ed.  aUnited States of AmericabAmerican Mathematical Societyc2010  ax,276p.c22cm.bPB  agraduate studies in mathematics vol 7  aincludes bibliographical referances and index