Ashley, Ray  1892- <br/><br/>
Electrical estimating / 
Ray Ashley. 
 - 3rd ed. 
 - New York:   McGraw-Hill,   1961.  
 - ix, 437 p. :  ill. ;  26 cm. 
<br/><br/>Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electrical engineering--Estimates
<br/><br/><label>Dewey Class. No.: </label>621.3