TY  - BOOK
AU  - Tomecek, Stephen M.
TI  - What a great idea: Inventions that changed the world
SN  - 0590681443
AV  - T 15 .T695 2003. 
PY  - 2003///
CY  - New york,USA.
PB  - Scholastic inc.
KW  - 1. Inventions
ER  -