The energy saving guide :  tables for assessing the profitability of energy saving measures with explanatory notes and worked examples 
by George Helckâe.  
 - 1st ed. 
 - Oxford ;  New York  Published for the Commission of the European Communities by Pergamon Press  1981.  
 - xii, 224 p.  26 cm. 
<br/><br/><label>ISBN: </label>0080267386 0080267394 (pbk.) 9780080267388 9780080267395 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Dwellings--Energy conservation.<br/>Energy conservation--Economic aspects.<br/>Energieeinsparung.
<br/><br/><label>LC Class. No.: </label>TJ163.5.D86  / H44 1981