00334nam a2200109Ia 4500082001900000100005800019245010800077260001900185300001000204500000500214700000500219  a338.9bUn58.AA  aUnited Nations. Economic Commission for Latin America  aAdministrative aspects of planning; papers of a seminar held at Santiago, Chile from 19-27 Feb., 1968b  aNew Yorkc1969  a431p.  a  a