00248nam a2200109Ia 4500100002100000654002000021245002800041260003200069082001700101300000800118546001200126  aPhilippakis/A S   aDesign Concepts  aProgram Design Concepts  bMcGraw HillaNew Yorkc1985  a1.6bPhi/Kaz  a217  aENGLISH