Hogben, Lancelot Thomas,    1895- <br/><br/>
Design of documents :    a study of mechanical aids to field enquiri es /  
by Lancelot Hogben and K. W. Cross. 
 - London :    Macdonald and Evans,    1960. 
 - 79 p. :    ill. ;    26 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Punched-Card Systems -- medicine