00374nas a22001457i 450000500170000000800410001702200140005804000140007224500430008626000270012953000270015665300170018365500130020031000150021320150127131739.0000215s2000    sp     gr     000 0 spa c  a0270-3092  aSIISbspa10aAPPLIED RESEARCH IN MENTAL RETARDATION  a[s.l.]bPERGAMON PRESS  aDescargados: 1982-198610aDiscapacidad 4aRevistas  aTRIMESTRAL