TY  - BOOK
AU  - Esler,William K.
AU  - Esler,Mary K.
TI  - Teaching elementary science
SN  - 053417700X
AV  - LB1585 .Es4 1993
U1  - 372.3/5044 20
PY  - 1993///
CY  - Belmont, Calif.
PB  - Wadsworth Pub. Co.
KW  - Science
KW  - Study and teaching (Elementary)
N1  - Includes bibliographical references and index
ER  -