RT Book T1 The early window: effects of television on children and youth T2 Pergamon general psychology series JF Pergamon general psychology series A1 Liebert, Robert M. 1942- A1 Sprafkin, Joyce N. 1949- A2 Liebert, Robert Mandel LA English PP New York, NY u.a. PB Pergamon Press YR 1988 ED 3. ed. UL https://krimdok.uni-tuebingen.de/Record/025625691 CN HQ784.T4 SN 0080346804 SN 0080346790 K1 Television and children : United States K1 Kind K1 Sozialisation K1 Fernsehen K1 Fernsehen : Jugend