TY  - BOOK
AU  - Higgins, Stephen T
AU  - Silverman, Kenneth
TI  - Motivating behavior change among illicit drug abusers : research on contingency management interventions
SN  - 9781557985705
SN  - 98047471
U1  - 616.8630651 HIG 
PY  - 1999///
CY  - Washington, DC
PB  - American Psychological Association
KW  - Behavior modification
KW  - Drug abuse - Treatment
KW  - Token economy (Psychology)
N1  - Includes bibliographical references and indexes
ER  -