TY  - BOOK
AU  - Carlisle,Norman
AU  - Mott-Smith,Geoffrey
AU  - Rommey,Arnold
TI  - The modern wonder book of knowledge: the thrilling stories of twentieth century industry, science, nature, transportation, communication and other marvels of the world 
U1  - 508.1 
PY  - 1949///
CY  - Philadelphia
PB  - Winston
KW  - Ciencia
KW  - Siglo XX
KW  - Inventos
ER  -