Energy managers' handbook / 
National Industrial Fuel Efficiency Service Limited 
 - London :  Graham & Trotman,  1985 
 - 105 p.  :  ill.  ;  22 cm. 
<br/><br/><label>ISBN: </label>0860106195 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Energy conservation--Handbooks, manuals, etc.<br/>Building--Energy conservation