000 00395nam a2200133Ia 4500
008 180710s9999 xx 000 0 und d
020 _a56137
082 _a352
_bUNI
100 _aDepartment of Economic andsocial affairs
245 _aUnited Nations technical assistance programme
260 _aNew York
_bDepartment of Economic and social affairs
_c1963
300 _aiii, 113 p.
942 _cPR
999 _c90326
_d90326