000 00324nam a2200121Ia 4500
001 156150
008 170722s9999 xx 000 0 und d
245 _aAgeing population :
_bOpportunities and challenges for Europe and North America /
260 _bUN ,
_c2003.
653 _aAgeing
653 _aPopulation
942 _cGEN
999 _c174334
_d174334