TY  - BOOK
AU  - Martin, Paul D. 
TI  - Science: it's changing your world
SN  - 0870445162
U1  - GR 500 S416 1985 
PY  - 1985///.
CY  - Washington, DC
PB  - National Geographic Society
KW  - Science -- Juvenile literature
KW  - Technology -- Juvenile literature
N1  - Includes bibliographical references and index
ER  -