Piper ,James E. Operations and maintenance manual for energy management [Book /] James E. Piper. - India : Standard publishers distributors, 2005. - 344 p : ill ; 26cm. All age. ISBN: 8180140695 Subjects--Topical Terms: energy management-Operations.energy management- maintenance manua. Dewey Class. No.: 338.79 National Library of Medicine Call No.: 338.79 / PO