00489nam a2200169Ia 4500 51288 BIBL 20160527185037.0 920324s1985 sp 1 spa Edgerton, Robert. 219583 Local Retraso mental Robert Edgerton ; versión española de Alfredo Guerra Miralles. 2. ed. 189 p. Includes index. Bibliography : p. 169-181. Mental Retardation 135273 Local 38749 38749 0 5 0 362_300000000000000_E23M2_E 0 evl 74202 10 10 1 2016-05-27 74334 0 362.3 E23m2 E 80000000464381 2017-03-15 00:00:00 r:51288 z:NCC:D 6