Harrison, Howard L. Control system fundamentals / Howard L. Harrison. - Scranton : International Textbook Co., c1964. - xiv, 72 p. : ill. ; 22 cm. - International textbooks in mechanical engineering . Includes index. english LCCN: 64019350 Subjects--Topical Terms: Automatic control. LC Class. No.: TJ213 / .H32 Dewey Class. No.: 629.8/HAC