RT Book T1 Brain and intelligence: the ecology of child development A2 Richardson, Frederick LA English PP Hyattsville (Md.) PB Nat. Ed. Pr. YR 1973 UL https://krimdok.uni-tuebingen.de/Record/1602559279 NO Includes bibliographies CN BF431 SN 0-87971-008-X K1 Intellect : Congresses K1 Child psychology : Congresses K1 Aufsatzsammlung K1 Kinderpsychologie K1 Kind : Entwicklung