00355nam a2200133Ia 450000500170000008000180001710000200003524500800005526000300013530000100016558300170017594200120019299900170020420260716043554.0  a14.07.01 V217  aVan Hoek, F. J.  aThe migration of high level manpower from developing to developed countries  bMoutonaThe HagueNLc1970  a52 p.  c3/4/05kJOYD  cMmV217  c50016d50016