TY  - BOOK
AU  - Reader's Digest Association Ltd.
TI  - Inventions that changed the world : an illustrated guide to man's practical genius through the ages
U1  - 745.2 
PY  - 1982///
CY  - London
PB  - Reader's Digest Asso.Ltd.
KW  -  
KW  - Inventions
ER  -