000 | 00409pam a2200169a 44500 | ||
---|---|---|---|
008 | 170807b1998 xxu||||| |||| 00| 0 eng d | ||
020 | _a | ||
082 | _a6478 | ||
100 | _aGustman, Alan L | ||
245 | _aSocial security benefits of immigrants and U. S. born | ||
260 |
_aCambridge, MA _bNBER _c1998 |
||
300 | _a85p | ||
490 | _a | ||
700 | _aSteinmeier Thomas L | ||
906 | _a41277 | ||
942 |
_2ddc _cG |
||
999 |
_c131936 _d131936 |