TY  - BOOK
AU  - Nagrath,I J
AU  - Gopal,M
TI  - Control Systems Engineering
SN  - 8122411924
U1  - 629.8 
CY  - New Delhi
PB  - New Age international 
KW  - Mathematical Models of physical Systems, Feedback Characteristics of Control Systems, Frequency Response Analysis, Nonlinear Systems
N1  - Includes Index, Figures and Equations
ER  -