Punch-card methods in research and documentation:   With special reference to biology  

 - New York:   Interscience Publishers, Inc.,   1961  
 - xiv, 274p.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Punch-card methods 
<br/><br/><label>Subjects--Index Terms: </label>Punch-card documentation  
<br/><br/><label>Universal Decimal Class. No.: </label>D 681.327.4:002   / K1