00281nam a2200097Ia 4500008004100000082001500041100004300056245005600099260002100155365000700176230302s9999    xx            000 0 und d  a621.382WIT  aWITTMANN  (Ralph) ZITTERBART (Martina)  aMicrosoft Communication Protocols and Applications   aN.Y.b ELSEVIER   cRS