PIOTROWSKI, Z A <br/><br/>
Principles underlying the projective techniques of personality measurement.  [electronic resource] 

 -  The Journal of nervous and mental disease  Jul 1949 
 - 66 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0022-3018 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Humans<br/>Personality<br/>Personality Tests<br/>Projective Techniques