TY  - BOOK
AU  - Blackwelder,Sheila Kyser
TI  - Science for all seasons: science experiences for young children
SN  - 0137952864
PY  - 1980///
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - Science
KW  - Study and teaching (Primary)
N1  - Bibliography: p.255-259
ER  -