TY  - RPRT
TI  - Non-parametric tests and ridits.
AU  - S Zimmerman
AU  - D A Johnston
PY  - 1974
DO  - 10.1111/j.1600-0765.1974.tb01784.x
UR  - https://pubmed.ncbi.nlm.nih.gov/4281016/
ID  - 4281016
ER  -