RT Article T1 Eighth amendment: the death penalty and the mentally retarded criminal: Fairness, culpability and death JF The journal of criminal law and criminology VO 80 IS 4 SP 1211 OP 1235 A1 Chan, Peter K. M. LA English YR 1990 UL https://krimdok.uni-tuebingen.de/Record/1641477083 K1 Todesstrafe K1 Geistig Behinderte K1 USA