00325pab a2200121 454500008004000000100001500040245006900055260000900124300001500133362000800148650001400156773003300170180718b2013   xxu||||| |||| 00| 0 eng d  aRyo, Emily  aDeciding to cross: Norms and economics of unauthorized migration  c2013  ap.574-603.  aAug  aMigration  aAmerican Sociological Review