Reader, R. A. Valves, pipework and associated equipment in dams : guide to condition assessment / R. A. Reader, M. F. Kennard, J. Hay - London : CIRIA, 1997 - 160 p. : ill. ; 25 cm. - CIRIA report; 170 . Includes index ISBN: 0860174697 Subjects--Topical Terms: Dam--Maintenance and repairValvesPiping