Tokheim, Roger L. Digital electronics: principles and applications/ Roger l. Tokheim. - 7th edition - Boston: McGrawHill: c2008. - xi, 534 pages: color illustrations; 28 cm. Includes appendices, glossary and index. ISBN: 0073126349 Subjects--Topical Terms: Digital electronics--Textbooks Dewey Class. No.: DC 621.381 / T58