Keller, George R. Hydraulic system analysis / by George R. Keller. - [Cleveland] : Published by the editors of Hydraulics & pneumatics magazine, c1969. - x, 201 pages : Illustrations ; 29 cm. Includes bibliographical references and index. LCCN: 75324016 Subjects--Topical Terms: Hydraulic circuits.Hydraulic control.Oil hydraulic machinery. LC Class. No.: TJ843 / .K39 1969 Dewey Class. No.: 621.2/0424