TY  - BOOK
AU  - Beichner, Robert J. and Dobey, Daniel C.
TI  - Essentials of classroom teaching elementary science
SN  - 0205145795
U1  - 371.25 
PY  - 1994///
CY  - Boston
PB  - Allyn and bacon
KW  - Classroom
KW  - Education
ER  -