TY  - BOOK
AU  - Lunn,Trevor E.
TI  - Illustrated encyclopedia of science and nature: technology 
SN  - 9628851551
U1  - 600 
PY  - 2004///
CY  - USA
PB  - Educational Technologies
KW  - Technology
KW  - Encyclopedias
N1  - Includes glossary; Primary
ER  -