RT Article T1 Temperament and intellectual development: a longitudinal study from infancy to 4 years JF The American journal of psychiatry VO 144 IS 2 SP 144 OP 151 A2 Maziade, M. LA English YR 1987 UL https://krimdok.uni-tuebingen.de/Record/1641218525 K1 Temperament K1 Verlaufsstudien