TY  - RPRT
TI  - Do parakeets exhibit derived stimulus control? Some thoughts on experimental control procedures.
AU  - K J Saunders
AU  - D C Williams
PY  - 1998
DO  - 10.1901/jeab.1998.70-321
UR  - https://pubmed.ncbi.nlm.nih.gov/9821682/
ID  - 9821682
ER  -