TY  - BOOK
AU  -  Ulmer Raymond
TI  - On the development of a token economy: mental hospital treatment program
SN  - 0470013931
U1  - WM30 
PY  - 1976///
CY  - Washington
PB  - Hemisphere Publishing
KW  - Hospitals, Psychiatric
KW  - Token Economy
N2  -  Token Economy, Hospitals, Psychiatric
ER  -