TY  - BOOK
CN  - Q183.3.A1
CN  - Q183.3.A1
CY  - Washington, DC :
DA  - c1996.
ID  - 172966
KW  - Science
N1  - "National Research Council"--Cover.
PB  - National Academy Press,
PP  - Washington, DC :
PY  - c1996.
SN  - 0309053269
T1  - National Science Education Standards :observe, interact, change, learn.
TI  - National Science Education Standards :observe, interact, change, learn.
ER  -