TY  - RPRT
TI  - Observationally induced changes in children's interrogative classes.
AU  - T L Rosenthal
AU  - B J Zimmerman
AU  - K Durning
PY  - 1970
DO  - 10.1037/h0030036
UR  - https://pubmed.ncbi.nlm.nih.gov/5489503/
ID  - 5489503
ER  -