000 00318nam a2200121Ia 4500
008 190415s9999 xx 000 0 und d
082 _aRK.000;
100 _aKhan, M.R.
245 0 _aSome population characteristics and fertility differentials in four micro regionh
260 _c1985
300 _a71p.
942 _cBK
999 _c20563
_d20563