00398nam a2200145Ia 4500008004100000020001800041082002100059245003900080245002100119250001900140260003000159260000900189300002000198526003400218250428s9999    xx            000 0 und d  a0-618-05650-5  aGS 658 W83o 2001 0aOB in action : cases and exercises 0cWolff, Steven B.  aSixth edition.  bHoughton Mifflin Company.  c2001  axiv, 417 pages.  a600 Technology (App Sciences)