00281nam a2200109Ia 450000500170000008000200001710000200003724500570005726000250011430000140013958300180015320260716043825.0  a09.01.04 I617bu  aBurani, Umberto  aThe perspectives of trade in services liberalisation  b[s.n.]a[S.l.]c1990  a4, [1] p.  c7/17/07kJOYD