TY  - JOUR
PY  - 1976//
TI  - From egocentric to cooperative play in young children. A normative study
JO  - Journal of the American Academy of Child Psychiatry
A1  - Whiteside, M. F.
A1  - Büsch, F.
A1  - Horner, T.
SP  - 294
EP  - 313
VL  - 15
IS  - 2
N2  - <p>[Abstract unavailable]</p> <p>Language: en</p>
LA  - en
SN  - 0002-7138
UR  - http://dx.doi.org/
ID  - ref1
ER  -