TY  - RPRT
TI  - Preschool development. 1: Communicative and motor aspects.
AU  - R A Sturner
AU  - B J Howard
PY  - 1997
DO  - 10.1542/pir.18-9-291
UR  - https://pubmed.ncbi.nlm.nih.gov/9286147/
ID  - 9286147
ER  -