000 00308nam a2200109Ia 4500
008 211215s9999 xx 000 0 und d
040 _cJayakar Knowledge Resource Centre
100 _a.United Nations .
245 0 _aProblems Migration Statistics.
260 _b.United Nations .
_aNew York.
_c1949
942 _c1
999 _c45246
_d45246