TY  - BOOK
AU  - Hogben,Lancelot Thomas
AU  - Cross,K.W.
TI  - Design of documents : : a study of mechanical aids to field enquiri es / 
PY  - 1960///
CY  - London : 
PB  - Macdonald and Evans, 
KW  - Punched-Card Systems
KW  - medicine
ER  -