TY  - DATA
ED  - Discovery Channel School
ED  - Discovery Communication Inc.
TI  - Elements
SN  - 9830008770
PY  - 2003///
CY  - [Bethesda, Md.]
PB  - Discovery Communications Inc.
KW  - Chemical elements
KW  - Juvenile literature
KW  - Chemicals
N1  - Teacher's guide in PDF and Microsoft word format
N2  - Science collections CD-ROMs discusses the approach of science in four elements which is discovery theater, the laboratory, the library and the studio
ER  -