共 26 条
[1]
BAKER CT, 1958, 68 MON SOC RES CHILD, V23
[2]
Baltes P. B., 1973, APA TASK FORCE AGING
[7]
BRITTON JH, 1969, 8 INT C GER WASH PAP
[8]
CAMPBELL DT, 1963, HDB RESEARCH TEACHIN
[9]
DAVIES DF, 1954, J GERONTOLOGY, V9, P186