共 15 条
[3]
AMSTERDAM BK, 1968, THESIS U N CAROLINA
[4]
BERTENTHAL BI, 1978, DEV PSYCHOL, V14, P44
[5]
BROOKSGUNN J, 1975, APR SOC RES CHILD DE
[6]
DIXON J C, 1957, J Genet Psychol, V91, P251
[7]
Gallup G.G. Jr., 1975, P309
[9]
GESELL A, 1947, J GENET PSYCHOL, V70, P141