00407nam a2200145Ia 4500008004100000040002500041082001400066100004200080245005000122250001800172260004300190300000800233942000700241999001300248230627s9999    xx            000 0 und d  aNORSU-SiacNORSU-Sia  a651.7 Au6  aAuner, Robert R. and Paul S. Burtness 0aEffective english for business communication   aSixth Edition  bSouth-Western Publishing Companyc1970  a284  cBK  c800d800