TY  - BOOK
AU  - Spilsbury, Louise 
AU  - Yorke, Jane
TI  - Question and answers inventions: the what, when, where, how and why of everything you need to know about inventions 
T2  -  
SN  - 9781407527062
U1  - 509 
PY  - 2009///
CY  - Bath
PB  - Parragon 
N1  - Includes index
ER  -