00326nam a2200121 a 450000500170000002000150001708200170003210000240004924500540007326000310012730000180015849000280017620251203110055.0  a0415120020  a327.094bPRE  aPreston,Christopher  aEnlargement and integration in the European union  aNew DelhibRoutledgec1997  ax,259p.c22cm  aEuropean studies series