RT Book T1 Report of the Task Force on Comparability in Survey Research on Drugs T2 DHEW publication ADM T2 National Institute on Drug Abuse technical paper JF DHEW publication / ADM A2 Rittenhouse, Joan D. LA English PP Rockville, Md PB National Inst. on drug Abuse YR 1978 UL https://krimdok.uni-tuebingen.de/Record/1096516888