TY  - BOOK
TI  - National science education standards
SN  - 0309053269
U1  - 507.10973/N277 
PY  - 1996///
CY  - Washington, D.C.
PB  - National Academy Press
KW  - Science
KW  - Study and teaching--Standards-United States
N1  - Bibliographical references at the end of chapters. Appendix and index at the end
ER  -