Universal Decimal Classification :  UDC 159.9: psycology 

 - 4. ed 
 - 18 p. 
 - FID Publication ; n.179)British Standards ; 1000159.9) : 1969 .
<br/><br/><label>Subjects--Corporate Names: </label><br/>International Federation for Information and Documentation
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psicologia
<br/><br/><label>Universal Decimal Class. No.: </label>025.45CDU  / F293u