TY  - BOOK
AU  - Nagel, Rob
TI  - U-X-L encyclopedia of science
SN  - 9780787654399
AV  - REF Q 121 .U18 2001 
PY  - 2001///
CY  - Detroit
PB  - U-X-L
KW  - Science -- Encyclopedias, Juvenile.
KW  - Technology -- Encyclopedias, Juvenile
KW  - Science -- Encyclopedias
N1  - Includes index
ER  -