000			00314nam a2200121Ia 4500
001			188865
008			170722s9999 xx 000 0 und d
110			_aUnited Nations
245			_aEconomic and social implications of population aging /
260			_aNew York : _bUN , _c1988.
300			_a430 p.
942			_cGEN
999			_c174942 _d174942