O'Callaghan, Paul W. Design and management for energy conservation : a handbook for energy managers, plant engineers and designes / Paul W. O'Callaghan - Oxford : Pergamon Press, 1981 - 344 p. : ill. ; 23 cm. Includes bibliographical references and index ISBN: 0080272878 Subjects--Topical Terms: Energy conservation--Handbooks, manuals, etc.