Dransfield, Peter. Engineering systems and automatic control / Peter Dransfield. - Englewood Cliffs, N.J. : Prentice-Hall, c1968 [1974]. - xii, 429 p. : illus. ; 24 cm. Includes bibliographies and index. Subjects--Topical Terms: Control theory. Dewey Class. No.: 629.8312 / DRE 1974