Leach, Donald P. , Digital principles and applications by Donald P. Leach - - New York McGraw Hill 1981 - vi, 490p.: ill; 24 cm. - - . Includes index = Nat. Bib. No.: Nat. Bib. Agency Control No.: Subjects--Meeting Names: Subjects--Index Terms: Applied physics Digital electronics Electronic digital computers Circuits LC Class. No.: / Dewey Class. No.: 621.3815 LEA