Spon's Mechanical and Electrical Services Price Book, 1997 / 
edited by Davis Langdon & Everest 
 - 28th edition 
 - London :  E & F.N. Spon ,  © 1996. 
 - xx, 503 pages :  illustrations ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0419222103 9780419222101 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Buildings --Mechanical equipment --Estimates--Great Britain