Lehrer, Robert N. <br/><br/>
Work simplification  creative thinking about work problems / 
Robert N. Lehrer. 
 - Englewood Cliffs, N.J. :  Prentice-Hall,  1957 
 - 394 p. ;  ill. ;  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Efficiency, Industrial.