TY  - BOOK
AU  - Higgins,Stephen T.
AU  - Silverman,Kenneth
TI  - Motivating behavior change among illicit-drug abusers: research on contingency management interventions 
SN  - 1557985707
PY  - 1999///
CY  - Washington, D. C.
PB  - American Psychological Association
KW  - Drug abuse
KW  - Treatment
KW  - Behavior modification
KW  - Token economy (Psychology)
N1  - Includes bibliographical references and index
ER  -