Seelye, Elwyn E. <br/><br/>
Specifications and costs 

 - 3th. ed. 
 - New York :   Wiley,   1957. 
 - pag. var 
 - Data Book for Civil Engineers. Volume two .
<br/><br/><label>Subjects--Topical Terms: </label><br/>CONSTRUCCIONES<br/>COSTOS
<br/><br/><label>Universal Decimal Class. No.: </label>69.003.12