00257nam a2200097Ia 4500080001900000245004000019260002500059300001600084500004000100583001900140  a09.01.01 U582t  aTrade in services : sectoral issues  bUNaNew YorkUSc1989  axxx, 483 p.  aIncludes bibliographical references  c3/7/00kM2LMGR