RT Book T1 Cognitive development T2 New directions for child development JF New directions for child development A2 Fischer, Kurt W. LA English PP San Francisco, Calif. PB Jossey-Bass YR 1981 UL https://krimdok.uni-tuebingen.de/Record/1611196019 CN 155.4/13 SN 0875898025 K1 Kognitive Entwicklung