TY  - BOOK
TI  - Macmillan encyclopedia of science.
PY  - 1997///
CY  - New York
PB  - Macmillan References
KW  - Science
KW  - Encyclopedias, Juvenile
KW  - Engineering
KW  - Encyclopedia
KW  - Technology
N1  - Includes bibliographical references and index
ER  -