CONTROL engineers' handbook : servomechanisms, regulators, and automatic feedback control systems /
Truxal, John G. 
CONTROL engineers' handbook :  servomechanisms, regulators, and automatic feedback control systems /  John G. Truxal   - 1st. ed.   - New York :  McGraw-Hill Book Company,  c1958   - 1050 p.;  23,5 cm.  
681.5(035)