00422nam a2200157Ia 4500008004100000020001800041040002500059082002900084100002600113245002700139250000800166260005500174490000700229942001100236999001700247240727s9999    xx            000 0 und d  a9780170401623  aNORSU-GuicNORSU-Gui  aCir.658.15/J85c/2018/c.1  aJane Grellier et. al. 0aCommunications Toolkit  a4th  aCengage learning ,INCbCengage learning ,INCc2018  vc1  cBKyBK  c46955d46955