RT Book T1 Demographic trends and drug abuse, 1980-1995 T2 DHHS publication ADM T2 NIDA research monograph series JF DHHS publication A2 Richards, Louise G. LA English PP Washington, D.C. PB National Inst. on Drug Abuse YR 1981 UL https://krimdok.uni-tuebingen.de/Record/1089789548