RT Book T1 Student drug use, attitudes and beliefs: national trends 1975 - 1982 T2 DHHS publication ADM JF DHHS publication A1 Johnston, Lloyd D. A2 Bachman, Jerald G. 1936- A2 O'Malley, Patrick M. LA English PP Rockville, Md PB National Institute on Drug Abuse YR 1982 UL https://krimdok.uni-tuebingen.de/Record/1091091056 CN 362.2/9