00338nam a2200121Ia 450000500170000000800410001708200220005810000200008024500530010025000120015326000410016530000100020620260205052625.0260111s9999||||xx |||||||||||||| ||und||  a621.381958  T572D  aTokheim,Roger L 0aDigital Electronics: Principles and Applications  a5th ed.  aNew YorkbMcGraw-Hill book Co.c1999  a406p.