TY  - RPRT
TI  - Adjunctive behavior: an under-reported phenomenon in applied behavior analysis?
AU  - W S Foster
PY  - 1978
DO  - 10.1901/jaba.1978.11-545
UR  - https://pubmed.ncbi.nlm.nih.gov/16795602/
ID  - 16795602
ER  -