RT Book T1 Report on the XYY chromosomal abnormality T2 DHEW publication HSM JF DHEW publication / HSM A2 Shah, Saleem A. LA English PP Rockville, Md. PB National Inst. of Mental Health, Center for Studies of Crime and Delinquency YR 1973 ED repr. UL https://krimdok.uni-tuebingen.de/Record/1098215664