00311nam a2200109Ia 4500008004100000040002500041082001500066100002600081245005000107260003600157300000800193230627s9999    xx            000 0 und d  aNORSU-SiacNORSU-Sia  a651.75 M12  aMacabuhay, Cynthia H. 0aEffective business letters and communication   bNational Book Store, Inc.c1989  a180