TY  - BOOK
AU  - Gopal,M.
TI  - Control systems : Principles and design
SN  - 9780071333269
U1  - 629.8 
PY  - 2016///
CY  - NewDelhi
PB  - Mcgraw hill
N1  - "it includes bibliographical references (p.871-878) and index"
ER  -