TY  - BOOK
AU  - Tucker,George K
AU  - Wills, Doris M
TI  - A simplified technique of control system engineering: graphical methods of understanding and improving process control 
AV  - TJ 213 T87
PY  - 1958///
CY  - Philadelphia, Pa.
PB  - Minneapolis-Honeywell Regulator
KW  - Control automático
ER  -