Coughanowr, Donald Ray. Process systems analysis and control / Donald R. Coughanowr, Lowell B. Koppel. - New York McGraw-Hill 1965. - xii, 491 p. ill. 23 cm. - McGraw-Hill chemical engineering series. . Includes bibliographical references and index. Subjects--Topical Terms: Control automático.Ingeniería química. LC Class. No.: QD61 / .C68 1965