Tramm, K.A. <br/><br/>
Psychotechnik und Taylor-System / 
von K.A. Tramm. 
 - Berlin :  Julius Springer,  1921. 
 - v. 
<br/><br/> Bd. 1. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychologie