TY  - RPRT
TI  - A new look for measurement validity.
AU  - B J Stewart
AU  - P G Archbold
PY  - 1997
DO  - 10.3928/0148-4834-19970301-03
UR  - https://pubmed.ncbi.nlm.nih.gov/9067866/
ID  - 9067866
ER  -