TY  - RPRT
TI  - Testing for non-randomness of events in sparse data situations.
AU  - R E Tarone
PY  - 1989
DO  - 10.1111/j.1469-1809.1989.tb01806.x
UR  - https://pubmed.ncbi.nlm.nih.gov/2624432/
ID  - 2624432
ER  -