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*1001 $aGustman, Alan L.$0(NO-TrBIB)2043785$_48530200
*24514$aThe social security retirement earning test, retirement and benefit claiming$cAlan L. Gustman, Thomas L. Steinmeier
*260  $aCambridge, Mass.$bNational Bureau of Economic Research$c2004
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*4901 $aWorking paper series / National Bureau of Economic Research$v10905
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