000 00264nam a2200121Ia 4500
008 190415s9999 xx 000 0 und d
082 _aRS.0381
100 _aSarkar, B.N.
245 0 _aDemography of aged people
260 _c1989
300 _a15p.
942 _cBK
999 _c12458
_d12458