TY  - BOOK
AU  - Gupta, Sushil Das.
TI  - Control system theory: a textbook for engineering students 
U1  - 621.3 
PY  - 1975///
CY  - dELHI
PB  - khanna publisher
KW  - Electrical engineering
N1  - Includes bibliographical references and indexes.
ER  -