TY  - BOOK
AU  - Gopal,M.
TI  - Control systems: principles and design 
SN  - 9780071333269
U1  - 621.3811 
PY  - 2016///
CY  - New Delhi
PB  - McGraw-Hill Education Companies
KW  - PID Control
KW  - Digital Control Systems
N1  - 
Includes bibliographical references and index
ER  -