RT Book T1 People with mental handicap: perspectives on intellectual disability A2 Hattersley, John LA English PP London u.a. PB Faber and Faber YR 1987 ED 1. publ. UL https://krimdok.uni-tuebingen.de/Record/274029669 CN LC4815 SN 0-571-14502-7 K1 People with mental disabilities : Education K1 Mensch mit geistiger Behinderung : Erziehung K1 Lernbehinderter Mensch : Erziehung