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2. Relationship of institution size to quality of care: A review of the literature;Balla;American Journal of Mental Deficiency,1976
3. Longitudinal and cross-sectional sequences in the study of age and generation effects;Baltes;Human Development,1968
4. Cohort effects in behavioral development: Theoretical and methodological perspectives;Baltes,1978
5. Child rearing practices anteceding three patterns of preschool behavior;Baumrind;Genetic Psychology Monographs,1967