RT Book T1 Social interaction and communication during infancy T2 New directions for child development JF New directions for child development A2 Užgiris, Ina Č. LA English PP San Francisco, Calif. PB Jossey-Bass YR 1979 UL https://krimdok.uni-tuebingen.de/Record/1093521597 CN 155.4/13 K1 Kleinkind : Nichtverbale Kommunikation K1 Kleinkind : Mutter : Interaktion