Durell, Fletcher,  1859-1946 <br/><br/>
Fundamental sources of efficiency / 
by Fletcher Durell 
 - Philadelphia :  J. B. Lippincott,  1914 
 - 368 p. ;  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Industrial efficiency
<br/><br/><label>Dewey Class. No.: </label>658.01