TY  - BOOK
AU  - Leach, Donald P
AU  - Leach, Donald P
TI  - Digital principles and applications
SN  - 9789339203405
U1  - 621.38153 
PY  - 2015///
CY  - New Delhi
PB  - Mcgraw hiil education india pvt ltd
N1  - "it includes bibliographical references (p.695-705) and index"
ER  -