TY  - RPRT
TI  - A versatile programmer for ratio and interval schedules using a punched-tape reader.
AU  - M E Swinnen
AU  - W Hodos
PY  - 1967
DO  - 10.1901/jeab.1967.10-515
UR  - https://pubmed.ncbi.nlm.nih.gov/6080828/
ID  - 6080828
ER  -