000 00301nam a2200109Ia 4500
008 211215s9999 xx 000 0 und d
040 _cJayakar Knowledge Resource Centre
100 _aUnited Nations .
245 0 _aDemographic yearbook 1951.
260 _bUnited Nations.
_aNew York.
_c1957
942 _c1
999 _c45240
_d45240