McLean-Conner, Penni. <br/><br/>
Energy efficiency :  principles and practices / 
Penni McLean-Conner. 
 - Tulsa, Okla. :  PennWell,  c2009. 
 - xviii, 194 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/> hardcover 
<br/><br/><label>ISBN: </label>9781593701789 
<br/><br/><label>LCCN: </label>2008043266 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Energy consumption--United States.<br/>Energy conservation--United States.
<br/><br/><label>LC Class. No.: </label>HD9502.U52  / M392 2009 
<br/><br/><label>Dewey Class. No.: </label>333.7916  / MCL