TY  - BOOK
AU  - Rivkin,Mary S.
TI  - Science experiences for the early childhood years: an integrated approach 
SN  - 0023501804 (pbk.)
AV  - LB1139.5.S35 H37 1996
U1  - 372.3049 20
PY  - 1996///
CY  - Englewood Cliffs, N.J.
PB  - Merrill
KW  - Science
KW  - Study and teaching (Early childhood)
N1  - Includes bibliographical references and index
ER  -