TY  - BOOK
AU  - Elonka, Stephen Michael, Parsons, Alonzo, Ritter
TI  - Standard instrumentation questios and answers: : control systems
U1  - 629.8 
PY  - 1962///
CY  - New York
PB  - ; Mcgraw-Hill Book
KW  - Control Engineering
KW  - Control Systems
ER  -