Melsa, James L. Linear control systems / James L. Melsa and Donald G. Schultz. - New York : McGraw-Hill, [1969] - xii, 621 p. : ill. ; 23 cm. - McGraw-Hill series in electronic systems. . ISBN: 0070414815 Subjects--Topical Terms: Control theory.Automatic control. Dewey Class. No.: 629.8312