TY  - GEN
AU  - Renner, John W.
AU  - Ragan, William B.( jt. auth)
TI  - Teaching science in the elementary school
SN  - 0060453818
U1  - 372.35044 
PY  - 1968///
CY  - New York
PB  - Harper & Row Publishers
KW  - Science-Study and teaching
N1  - HB
ER  -