00357nam a2200145Ia 4500001000500000005001700005008004100022020001300063082001500076100001600091245004600107250001200153260001700165650002900182562020261006003857.0120911s9999    xx            000 0 und d  a71007717  a428.24 KIR  aKirn,Elaine  aInteractions i:a communicative grammar-2e  a2nd ed.  aMcgraw -Hill  aEnglish language-grammar