TY  - BOOK
T1  - Science &amp; math events :connecting &amp; competing /
DA  - c1990.
CY  - Washington, DC :
CN  - Q182.3
CN  - Q182.3
PB  - The Association,
PP  - Washington, DC :
PY  - c1990.
ID  - 134847
KW  - Science projects
KW  - Science
KW  - Science
KW  - Science
KW  - Mathematics
SN  - 0873550900
TI  - Science &amp; math events :connecting &amp; competing /
ER  -