Emerick, Robert Henderson <br/><br/>
Effectively managing natural gas costs 
by John M. Studebaker 
 - New York,  McGraw Hill  c[1966] 
 - xiv, 482p.  ill.  21 cm. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>ISBN: </label>66016332 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Building--specifications<br/>Mechanical--handbook