TY  - RPRT
TI  - CONTINUITY AND STABILITY IN EARLY SOCIAL DEVELOPMENT.
AU  - W EMMERICH
PY  - 1964
DO  - 10.1111/j.1467-8624.1964.tb05942.x
UR  - https://pubmed.ncbi.nlm.nih.gov/14163540/
ID  - 14163540
ER  -