TY  - BOOK
TI  - The illustrated dictionary of inventors and inventions: contributors: Michael Pollard, Felicity Trotman, merilyn Holme.  
U1  - REF 609.2 I17 1993 
PY  - 1993///.
CY  - Chippenham, wilshire : 
PB  - Merlion Publishing, 
KW  - Inventors--Biography--Dictionaries
ER  -