TY  - BOOK
AU  - Readers' Digest Association
TI  - The inventions that changed the world: an illustrated guide to man's practical genius through the ages. 
U1  - 500.3 
PY  - 1984///
CY  - London
PB  - Reader's Digest
KW  - Inventions -- History -- Dictionaries
KW  - Inventions
KW  - Inventions, to 1981 - Encyclopaedias
ER  -