TY  - BOOK
AU  - Wakerley, J. F.
TI  - Digital design: principles and practices
SN  - 0132016117
AV  - DUCE TK7874 .65 .W34 
PY  - 2007///
CY  - Upper saddle river
PB  - Pearson Prentice hall
N1  - Includes bibliographical references and index
ER  -