U-X-L encyclopedia of science/
Nagel, Rob 2001.
U-X-L encyclopedia of science/ Rob Nagel - Detroit : U-X-L, 2001. - 10 volumes (lxiv, 2048 pages) : illustrations (some color) ; 25cm.
Includes index.
9780787654399
Science -- Encyclopedias, Juvenile.
Technology -- Encyclopedias, Juvenile.
Science -- Encyclopedias.
REF Q 121 .U18 2001
U-X-L encyclopedia of science/ Rob Nagel - Detroit : U-X-L, 2001. - 10 volumes (lxiv, 2048 pages) : illustrations (some color) ; 25cm.
Includes index.
9780787654399
Science -- Encyclopedias, Juvenile.
Technology -- Encyclopedias, Juvenile.
Science -- Encyclopedias.
REF Q 121 .U18 2001