TY  - BOOK
AU  - Esler, William K.
TI  - Teaching Elementary Science
SN  - 053417700
AV  - LB 1585.E84 1993 7308
PY  - 1993///
CY  -  Califonia  USA
PB  - wadsworth publishing company
KW  - Science-study and teaching (Elementary)
N1  - includes bibliographical references and index
ER  -