Handbook on data processing methods 
/ Prepared by Statistical Office of the United Nations, New York...................Rome, 1962 
 - Italy:   Fao,   1962 
 - viii, 139p. 
<br/><br/> Part - II 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Handbook
<br/><br/><label>Subjects--Index Terms: </label>Punch card 
<br/><br/><label>Universal Decimal Class. No.: </label>D 681.327.45(02)  / K2.2