00377nam a2200145Ia 450000100060000000800410000602000180004704000130006508200210007810000170009924500460011626000510016230000110021354600070022420944140408s9999    xx            000 0 und d  a0-07-072832-1  cPK-LaUMT  a 005.7126bZIM-A  aJ. A. Zimmer  aAbstraction for programmerscJ. A. Zimmer  aNew York,USA:bMcGraw-Hill Book Company,c1985  a251 p.  aEN