TY  - BOOK
AU  - Challoner, Jack.
TI  - 1001 inventions that changed the world
SN  - 9789350096857
AV  - D4024 
U1  - 600 22
PY  - 2011///
CY  - India
PB  - Hachette Book Publishing
N1  - Includes index
ER  -