OCallaghan, Paul W. Energy management / Paul W. OCallaghan - London : McGraw-Hill, c1993. - vii,438 p. : ill. ; 22 cm. ISBN: 0077076788 LCCN: Subjects--Topical Terms: Energy managementEnergy conservation LC Class. No.: TJ163.3 / .026 1993 Dewey Class. No.: 658.2