TY  - BOOK
AU  - NAGRATH I.J. & GOPAL M.
TI  - CONTROL SYSTEMS ENGINEERING
U1  - 22 थ 91 
PY  - 1991///
PB  - WILEY EASTERN LIMITED, PUNE.
KW  - CONTROL SYSTEMS ENGINEERING
KW  - एस.सी
N2  - एस.सी
ER  -