TY  - RPRT
TI  - Behavioral engineering: postural control by a portable operant apparatus.
AU  - N Azrin
AU  - H Rubin
AU  - F O'brien
AU  - T Ayllon
AU  - D Roll
PY  - 1968
DO  - 10.1901/jaba.1968.1-99
UR  - https://pubmed.ncbi.nlm.nih.gov/16795176/
ID  - 16795176
ER  -