TY  - RPRT
TI  - The seven-squares test.
AU  - R H DANA
AU  - W H VOIGT
PY  - 1962
DO  - 10.2466/pms.1962.15.3.751
UR  - https://pubmed.ncbi.nlm.nih.gov/14040515/
ID  - 14040515
ER  -