TY  - RPRT
TI  - Measuring the immeasurable.
AU  - John C Newman
AU  - Alan Weiner
PY  - 2002
DO  - 10.1016/s1097-2765(02)00661-5
UR  - https://pubmed.ncbi.nlm.nih.gov/12408812/
ID  - 12408812
ER  -