TY  - RPRT
TI  - Parametric manipulations and fixed-interval self-stimulation.
AU  - G E Hunt
AU  - D M Atrens
PY  - 1992
DO  - 10.1016/0031-9384(92)90085-g
UR  - https://pubmed.ncbi.nlm.nih.gov/1615038/
ID  - 1615038
ER  -